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1girls barefoot big_breasts breasts completely_nude completely_nude_female dildo dildo_in_pussy dildo_penetration female female_only lisnotsfw masturbation mettaton mettaton_ex nipples nude robot robot_girl robot_humanoid robot_joints rule_63 solo tagme toby_fox undertale undertale_(series) vaginal_penetration white_skin

barefootbig_breasts

1boy femboy male male_only mettaton mettaton_ex simsimsalaboom solo thick_thighs thighs_bigger_than_head undertale undertale_(series) wide_hips

anthro colored dialogue feet feetbarefoot female female_licking_male foot_fetish foot_lick foot_play group hi_res humanoid humanoid_feet kissing_foot larger_male licking male male/female male_feet male_foot_fetish mettaton mettaton_ex nonchalant plantigrade salaman size_difference smaller_female soles submissive submissive_female tickling tickling_feet toes tongue tongue_on_foot tongue_out trio undertale undertale_(series) worship worshiping

2020 2boys 2d :>= ahe_gao ahegao anteater_face black_hair blowjob blowjob_face color cum cum_in_mouth cum_inside cumming_from_blowjob cumming_in_mouth cumming_inside dark-skinned_male double_v fellatio femboy gay interracial lips mettaton mettaton_ex motion_blur motion_lines old_design oral peace_sign pink_eyes plump_lips rai_sol(solgain) sex sunken_cheeks tongue_out undertale undertale_(series) v vacuum_blowjob warvira_(artist) yaoi

2020 2boys 2d :>= ahe_gao ahegao anteater_face black_hair blowjob blowjob_face color dark-skinned_male double_v fellatio femboy gay interracial lips mettaton mettaton_ex motion_blur motion_lines old_design oral peace_sign pink_eyes plump_lips rai_sol(solgain) sex sunken_cheeks tongue_out undertale undertale_(series) v warvira_(artist) yaoi

2020 2boys 2d :>= black_hair blowjob blowjob_face color double_v fellatio femboy gay interracial mettaton mettaton_ex old_design oral peace_sign pink_eyes plump_lips rai_sol(solgain) sex sunken_cheeks tagme undertale undertale_(series) v warvira_(artist) yaoi

2d condom english english_text mettaton mettaton_ex no_color penis robot tagme talking text undertale undertale_(series) wetwasabi

aircraft alternate_universe asgore_dreemurr ass assmore_derear big_breasts big_butt blush bodily_fluids boss_monster bottomwear bovid bow_accessory breasts burgerpants caprine chat_window classroom clothed clothing comic curvy_figure dancing dinosaur domestic_cat donation_alert electronic_musical_instrument eyewear felid feline felis female floral_print gardening ghost glasses goat group headphones hi_res horn humanoid kitty_(under(her)tail) larger_female legwear livestream living_aircraft living_machine living_vehicle machine male mammal marine mettaton mettaton_ex microphone miniskirt musical_instrument napstablook nipple_outline paper pen pencil phallic_looking reptile robot robot_humanoid rule_63 scalie school sex_education shyren size_difference skimpy skirt spikes spikes_(anatomy) spirit spotlight striptease sweat text thewill thigh_highs toriel tsunderplane tutori_(under(her)tail) under(her)tail undertale undertale_(series) university vehicle voluptuous whiteboard whiteboard_marker wide_hips window

aircraftalternate_universe

6+girls 62girls aaron_(undertale) alli alli_(under(her)tail) alternate_universe anthro armor ass big_breasts big_butt big_penis bikini_armor blush bodily_fluids bottomless bottomwear bratty_(undertale) breast_play breasts bunbun_npc_(undertale) burgerpants business_manticore_(undertale) canid canine canis catty_(undertale) cinnamon_(undertale) clam_girl_(undertale) clam_guy_(undertale) clothed clothing comic container cum cum_in_pussy cum_inside cup curvy_figure demon dogamy dogaressa doggo_(undertale) domestic_cat domestic_dog donut drinking echo_flower_explainer elemental_creature elemental_humanoid endogeny exhibitionism felid feline felis felli_(under(her)tail) female fire fire_creature first_person_view frisk_(undertale) frisky_(under(her)tail) frogette_(under(her)tail) froggit froggit_(undertale) fuku_fire genital_fluids genitals gerson gift_bear_(undertale) gloves glowing greater_dog group gyftrot halftone hand_on_penis hand_receptionist_(undertale) handwear heats_flamesman hi_res human humanoid ice_cap kitty_(under(her)tail) lemon_bread lesser_dog male male/female mammal mettaton mettaton_ex monster montage muffet multiple_girls napstablook nicecream_man nipple_outline one_after_another onionsan paizuri partially_clothed penis politics_bear_(undertale) public pyrope rabbit_shopkeeper_(undertale) red_eyes rg03 rg04 right_to_left rule_63 sad_dragon_(undertale) scarf_mouse sex shambling_mass shorts shyren skateboard_girl skirt snowdrake snowdrake's_mother stand_and_carry_position standing standing_sex sweat temmie_(undertale) text thewill titjob topwear tsunderplane unconvincing_armor under(her)tail undertale undertale_(series) voluptuous vulkin waking_up wide_hips woshua

aaron_(undertale)alli

<3 1girls artist_name artist_signature big_breasts black_hair bottomwear cleavage clothed clothing crossgender female female_only giant_breasts gradient_background heart high_heels huge_breasts humanoid_robot jewelry leopard_print looking_at_viewer mettaton mettaton_ex mrxharlequinn necklace pearl_necklace robot rule_63 simple_background solo solo_female topwear undertale undertale_(series)

big_ass burgerpants dialogue drawful-s facefart fart male male_fart mettaton mettaton_ex text undertale undertale_(series)

big_assburgerpants

1boy 2010s 2017 androgynous ass black_hair boots femboy gloves hair hair_over_one_eye hand_on_chest hand_on_own_chest hand_towards_viewer heart humanoid humanoid_robot looking_at_viewer male male_only mettaton mettaton_ex pink_boots pink_eyes rbtheartisan robot robot_femboy robot_humanoid short_hair solo sparkleee-sprinkle undertale undertale_(series) white_gloves

1boy 2d absurdum_the_crybaby androgynous background black_hair color femboy feminine_male golem hebrew_text high_heel_boots high_heels jewish latex long_hair makeup male male_only mettaton mettaton_ex pale_skin penis penis_out robot robot_femboy robot_humanoid solo tagme uncensored undertale undertale_(series) white_skin

absurdum_the_crybabyandrogynous

1boy 3d big_breasts black_hair blender blender_(software) brass_instrument breasts busty_boy contra_tuba dld493v2 femboy huge_breasts huge_cock hung_femboy hung_trap hyper_penis large_breasts male male_only male_with_breasts mettaton mettaton_ex musical_instrument penis playing_instrument puffed_cheeks robot robot_boy self_upload solo tuba undertale undertale_(series)

big_breastsblack_hair

1girls 2d 2d_(artwork) 2d_artwork big_breasts boots drawn female female_only hair_over_one_eye hand_behind_head high_heel_boots high_heels looking_at_viewer mettaton mettaton_ex monochrome no_color robot robot_humanoid short_hair sketch solo squatting tagme traditional_art traditional_media traditional_media_(artwork) undertale undertale_(series) unknown_artist

big_breastsboots

1boy androgynous ass back_view balls bending_over bent_over black_background black_hair boots crossdressing flaccid heart high_heel_boots high_heels humanoid humanoid_robot looking_at_viewer male_only mettaton mettaton_ex outline pantyhose penis presenting_hindquarters regalia_(artist) robot robot_humanoid solo solo_male spoken_heart standing testicles torn_pantyhose undertale undertale_(series)

alphys ambiguous_gender androgynous android caliginous mettaton mettaton_ex robot robot_humanoid tagme thick_thighs thighs undertale undertale_(series)

alphysambiguous_gender

2d 2d_(artwork) 2d_artwork androgynous android bulge bulge_through_clothing color crossdressing dress elbow_gloves erection_under_clothes erection_under_clothing evening_dress fancy_clothing femboy gloves jessica_rabbit_(cosplay) loggus_doggus mettaton mettaton_ex microphone muscular muscular_male one_eye_obstructed opera_gloves pink_eyes robot robot_humanoid robot_joints short_hair solo sparkle sparkles strong_legs tagme toned toned_legs toned_male undertale undertale_(series) wide_hips

androgynousandroid

1boy 2010s 2019 _zzappyy_ ambiguous_gender androgynous black_hair boots box femboy hair hair_over_one_eye high_heel_boots high_heels holding_microphone humanoid humanoid_robot male male_only mettaton mettaton_ex microphone pink_boots robot robot_femboy robot_humanoid sfw simple_background solo sparkle sparkles undertale undertale_(series)

_zzappyy_ambiguous_gender

1girls big_breasts breasts crossgender doodle_will doodlewill frisk genderswap genderswap_(mtf) giant_breasts huge_breasts human mettaton mettaton_ex robot robot_humanoid rule_63 tagme thick_thighs undertale undertale_(series) wide_hips

big_breastsbreasts

1boy 1girls anus cowgirl_position crossover drooling female female_penetrated femdom homestuck horns humanoid humanoid_robot lenthelemon looking_back looking_behind male male_penetrating male_penetrating_female malesub mettaton mettaton_ex penis penis_in_pussy power_bottom pussy robot robot_humanoid robotic_penis simple_background straight terezi_pyrope testicles undertale undertale_(series)

anuscowgirl_position

animated_skeleton apron big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub clothed crazy_eyes crazy_smile duo english_text hair_over_one_eye humanoid humanoid_robot mettaton mettaton_ex monster onomatopoeia punishment robot_humanoid sans sans_(undertale) skeleton sketch small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom smirk spanking spanking_ass spanking_butt sweat text undead undertale undertale_(series) unknown_artist white_background

animated_skeletonapron

... animated_skeleton apron big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub clothed duo english_text glowing_eye hair_over_one_eye humanoid humanoid_robot imminent_spanking mettaton mettaton_ex monster punishment robot_humanoid sans sans_(undertale) skeleton sketch small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom smirk text undead undertale undertale_(series) unknown_artist white_background

...animated_skeleton

animated_skeleton apron big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub clothed duo english_text hair_over_one_eye humanoid humanoid_robot imminent_spanking mettaton mettaton_ex monster punishment robot_humanoid sans sans_(undertale) skeleton sketch small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom text undead undertale undertale_(series) unknown_artist white_background

animated_skeletonapron

2010s 2016 2boys ahoge animated_skeleton artist_request blue_blush blue_tongue blush boots clothed clothing crying drooling fangs high_heel_boots hooded_jacket hoodie humanoid humanoid_robot jacket licking_tongue making_out male male/male male_only mettaton mettaton_ex monster robot robot_humanoid sans sans_(undertale) skeleton sketch sweat tears tongue tongue_out trembling undead undertale undertale_(series) white_background yaoi

ahogeanimated_skeleton

2010s 2016 2boys animated_skeleton black_background blindfold blindfolded bondage dark_background dominant dominant_male domination femboy femboydom high_heels highleg humanoid humanoid_robot male male/male male_only maledom mettaton mettaton_ex naked nude pink_boots robot robot_boy robot_femboy robot_humanoid sans sans_(undertale) sinisk skeleton stepped_on submissive undead undertale undertale_(series) yaoi

animated_skeletonblack_background

1:1 1:1_aspect_ratio 2010s 2016 2boys animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male black_background black_hair blue_hoodie blue_jacket blue_tongue clothed dark_background ectotongue fel-fisk femboy gay glowing high_heel_boots high_heels hooded_jacket hoodie humanoid_robot jacket larger_male licking male male/male male_only mettaton mettaton_ex one_eye_closed partially_clothed partially_nude pink_eyes pink_tongue robot robot_boy robot_femboy robot_humanoid sans sans_(undertale) skeleton slippers small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom soul soul_sex sweat tongue tongue_out undead undertale undertale_(series) yaoi

animated_skeletonbigger_dom

2010s 2016 2boys animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller dark_background glowing hornyraptor humanoid humanoid_robot larger_male larger_penetrating larger_penetrating_smaller male male/male male_only male_penetrating mettaton mettaton_ex missionary_position penetration robot robot_humanoid sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom thrusting undead undertale undertale_(series) yaoi

animated_skeletonbigger_dom

2016 animated_skeleton black_hair blue_eyes boots bound_wrists clothed collar heart hoodie humanoid humanoid_robot ifuckboxppl leash leash_and_collar leash_pull licking_lips male mettaton mettaton_ex pink_boots robot robot_humanoid sans sans_(undertale) simple_background skeleton straddling undead undertale undertale_(series) yaoi

animated_skeletonblack_hair

1:1 1:1_aspect_ratio animated_skeleton artist_request blush hair_over_one_eye humanoid_robot male mettaton mettaton_ex nervous penis pink_background robot robot_humanoid sans sans_(undertale) simple_background skeleton undead undertale undertale_(series) yaoi

animated_skeletonartist_request

animated_skeleton artist_request big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller black_hair blue_blush blush completely_naked completely_nude grabbing_arms hair_over_one_eye humanoid humanoid_robot larger_penetrating larger_penetrating_smaller legs_spread licking licking_head male male_penetrating mettaton mettaton_ex naked nude penetration pink_blush pink_eyes robot robot_humanoid robotic_penis sans sans_(undertale) sex skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom spread_legs sweat trembling_legs undead undertale undertale_(series) white_background yaoi

animated_skeletonartist_request

2010s 2016 animated_skeleton artist_request big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male hoodie humanoid_robot larger_male male maledom mettaton mettaton_ex monster penis robot robot_humanoid robotic_penis sans sans_(undertale) skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom undead undertale undertale_(series) wearing_others_clothes yaoi

animated_skeletonartist_request

2boys animated_skeleton blue_blush blue_penis ectopenis english_text gay grey_background hooded_jacket hoodie humanoid humanoid_robot jacket looking_away male male/male male_only mettaton mettaton_ex monochrome monster penis robot robot_humanoid sans sans_(undertale) shirt_lift shirt_pulled_up shirt_up simple_background skeleton small_penis solid_color_background sweat text text_bubble undead undertale undertale_(series) unknown_artist yaoi

animated_skeletonblue_blush

2010s 2015 2boys animated_skeleton artist_request big_dom big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_male blue_eye blue_tongue boots box dominant dominant_male domination ectotongue english_text glowing_eyes hair_over_one_eye high_heel_boots humanoid_robot larger_male licking_leg male male/male male_only maledom mettaton mettaton_ex monster naked nude penis pink_boots pink_eyes pink_glans pink_tongue robot robot_humanoid robotic_penis sans sans_(undertale) simple_background skeleton small_sub small_sub_big_dom smaller_sub smaller_sub_bigger_dom solid_color_background submissive text tongue undead undertale undertale_(series) what yaoi

animated_skeletonartist_request

androgynous black_hair clitoris cuntboy cuntboy_only hair_over_one_eye high_heels_boots intersex male male_only mettaton mettaton_ex peeing pink_boots pink_pussy pink_vagina piss pussy ripped_clothing robot robot_boy shadyhouse short_hair solo spread_pussy uncensored undertale undertale_(series)

androgynousblack_hair

1girls big_ass big_butt black_hair cameltoe felice-chan female female_only glasses hair_over_one_eye high_heel_boots mettaton mettaton_ex pink_boots robot robot_girl robot_humanoid short_hair solo solo_female two_tone_hair undertale undertale_(series)

big_assbig_butt

1boy androgynous android arm_support ass black_hair blush bulge hair_over_one_eye heart highres lips looking_at_viewer male_focus mettaton mettaton_ex naughty_face ngtt parted_lips simple_background sitting smile spread_legs undertale white_background

androgynousandroid

2others arm_up artist_name beach closed_eyes cloud day facing_viewer food ghost gloves hat heart maa_tc mettaton mettaton_ex multiple_others napstablook ocean open_mouth outdoors palm_tree popsicle robot sparkle straw_hat sun_hat tree umbrella undertale white_gloves

arm_upartist_name

2boys blue_hair boots bubble_pop_sdk deltarune epaulettes gloves hair_over_one_eye knee_boots male_focus mettaton mettaton_ex multiple_boys pink_boots pointing robot rouxls_kaard simple_background undertale uniform yellow_background

1girl android chart closed_mouth dress elizabeth_bathory_(fate) fake_screenshot fate/grand_order fate_(series) female_focus horns mecha_eli-chan_(fate) mettaton mettaton_ex michiru_(amphibian) parody pixel_art short_dress sleeveless sleeveless_dress smile solo translation_request undertale

1girl android breasts cleavage female_focus gender_request genderswap genderswap_(mtf) glasses hair_over_one_eye mettaton mettaton_ex pink_eyes solo undertale

1girl android black_hair breasts female_focus gender_request genderswap genderswap_(mtf) hair_over_one_eye mettaton mettaton_ex pink_eyes short_hair solo undertale

androidblack_hair

alphysamazon_(company)

1boy android bkub black_background boots full_body greyscale heart high_heel_boots high_heels legs_apart looking_at_viewer male_focus mettaton mettaton_ex monochrome simple_background smile smoke solo undertale wide_stance

2boys amakusa_(hidorozoa) closed_mouth double_w hair_over_one_eye hand_up heart high_heels holding looking_at_viewer mettaton mettaton_ex microphone multiple_boys pink_background red_eyes robot short_hair simple_background smile undertale w

amakusa_(hidorozoa)closed_mouth

1boy boots english_text full_body hair_over_one_eye hato_moa high_heel_boots high_heels mettaton mettaton_ex microphone moana_(movie) music signature singing sparkle speech_bubble spotlight standing undertale

bootsenglish_text

1boy android black_hair broken clenched_teeth graphite_(medium) greyscale heart highres looking_down male_focus mettaton mettaton_ex monochrome monochrome reticulum spread_legs teeth traditional_media undertale wire

androidblack_hair

3girls 5boys alphys androgynous annoying_dog asgore_dreemurr asriel_dreemurr beard bird black_eyes blonde_hair bossmonsterbani brown_hair cave chara_(undertale) dog eyepatch facial_hair flower flowey_(undertale) frisk_(undertale) furry furry_female furry_male ghost good_end highres hood hoodie horns mettaton mettaton_ex monster_boy monster_girl multiple_boys multiple_girls papyrus_(undertale) ruins sans_(undertale) shirt skeleton spoilers stick striped_clothes striped_shirt sunset toriel undertale undyne

alphysandrogynous

1girl 2boys alternate_costume alternate_hair_length alternate_hairstyle android arthropod_girl artist_name black_hair dress extra_arms extra_eyes formal_clothes hand_fan hat highres mettaton mettaton_ex monster_girl muffet multiple_boys papyrus_(undertale) rotodisk scarf skeleton suit sunglasses top_hat undertale

alternate_costumealternate_hair_length

1boy :3 android ass ban026 black_hair boots cape character_name crown fang fur_trim gloves hair_over_one_eye high_heel_boots high_heels leg_up looking_at_viewer lying male_focus mettaton mettaton_ex on_stomach pink_boots pink_eyes red_cape seductive_smile smile sparkle spotlight umbrella undertale white_gloves

4boys androgynous blouse bottle brown_hair burger burgerpants carton cigarette constricted_pupils counter employee_uniform food frisk_(undertale) gloves hair_over_one_eye hat highres indoors ketchup ketchup_bottle male_focus mettaton mettaton_ex multiple_boys munakata_natsudou_(munakata_n) papyrus_(undertale) pointing red_gloves red_scarf red_shirt robot sans_(undertale) scarf shirt shop short_sleeves skeleton smoke smoking undertale

androgynousblouse

:3 :d androgynous bad_id bad_pixiv_id banner black_hair brown_hair burgerpants closed_eyes eyepatch fang fins frisk_(undertale) g_perarikku grin hair_over_one_eye hands_in_pockets head_fins headband hood hoodie mettaton mettaton_ex microphone monster_girl multiple_boys open_mouth papyrus_(undertale) ponytail sans_(undertale) sharp_teeth short_hair skeleton smile teeth trembling undertale undyne zzz

:3 :d androgynous android animal_ears apron bad_id bad_pixiv_id blush brown_hair burgerpants closed_eyes drooling fangs food frisk_(undertale) furry g_perarikku gender_request gloves goat_ears hair_over_one_eye mettaton mettaton_ex open_mouth oven_mitts pie short_hair sleeves_rolled_up smile steam toriel translation_request undertale

:3 :d alphys annoying_dog asgore_dreemurr asriel_dreemurr bad_id bad_tumblr_id black_hair brown_hair cape chara_(undertale) closed_eyes eye_contact facing_viewer flowey_(undertale) food frisk_(undertale) frown furry glasses goat_girl grin hair_over_one_eye hands_in_pockets heart horns jacket knife looking_at_another mary_cagle meatball mettaton mettaton_ex monster_kid_(undertale) napstablook open_mouth orange_scarf own_hands_together papyrus_(undertale) pasta plate red_cape red_hair sans_(undertale) scarf sharp_teeth shirt slippers smile spaghetti striped_clothes striped_shirt tail teeth temmie toriel undertale undyne w.d._gaster

alphys androgynous armor arthropod_girl asgore_dreemurr asriel_dreemurr bad_id bad_pixiv_id beard blue_skin blush brown_hair closed_eyes colored_skin crown cup everyone extra_eyes eyepatch facial_hair fins flower flowey_(undertale) frisk_(undertale) furry furry_male g_perarikku glasses gloves grin hair_over_one_eye head_fins heart hood hoodie horns insect_girl mettaton mettaton_ex monster_boy monster_girl monster_kid_(undertale) muffet multiple_boys multiple_girls napstablook open_mouth papyrus_(undertale) ponytail red_hair sans_(undertale) scarf sharp_teeth shirt short_hair shorts skeleton smile spider_girl striped_clothes striped_shirt striped_sweater sweater teacup teeth toriel undertale undyne yellow_skin

alphysandrogynous

1boy androgynous android black_hair boots hair_over_one_eye heart highres male_focus mettaton mettaton_ex mist_e10 pink_boots solo standing undertale

androgynousandroid

2boys 2koma anal android ass bar_censor barefoot black_hair boots bottomless censored closed_eyes comic cum cum_in_ass cumdrip eyelashes eyeshadow feet frisk_(undertale) gloves greyscale hair_over_one_eye heart instant_loss koshii_tai lying makeup male_focus male_penetrated mating_press mettaton mettaton_ex missionary monochrome multiple_boys on_back open_mouth penis sex shirt short_hair size_difference sparkle spoken_heart striped_clothes striped_shirt t-shirt teeth testicles toes translation_request trembling undertale yaoi

>:d 2girls 6+boys :d androgynous android animal annoying_dog arch arm_up armor arms_at_sides asgore_dreemurr asriel_dreemurr back beard black_eyes black_hair black_sclera black_shorts blue_eyes blue_jacket blue_shorts blue_skin blue_sweater bone boots boxing_gloves breasts brown_hair brown_hat cape clenched_hand clenched_hands closed_eyes closed_mouth colored_sclera colored_skin column_lineup commentary cowboy_hat crown dated dog door evil_smile extra_eyes eyepatch facial_hair fang fang_out fangs fighting_stance fins flower flowey_(undertale) forest frisk_(undertale) fur-trimmed_jacket fur_trim furry gloves glowing glowing_eye gorget grin hair_over_one_eye hand_in_pocket hand_on_own_hip hat head_fins headband heart heart_necklace highres holding holding_weapon hollow_eyes horns jacket jewelry k_ptn knife legs_apart light_particles long_hair long_sleeves looking_at_another looking_at_viewer medium_breasts mettaton mettaton_ex monster monster_girl motion_blur multiple_boys multiple_girls nature necklace night night_sky one_eye_covered open_clothes open_jacket open_mouth outdoors papyrus_(undertale) pendant photoshop_flowey pine_tree pink_boots pink_slippers polearm ponytail red_eyes red_footwear red_gloves red_hair red_lips red_ribbon red_scarf red_skirt ribbon sad sans_(undertale) scarf sharp_teeth short_hair shorts signature size_difference skeleton skirt sky slippers smile smirk spear spoilers standing striped_clothes striped_sweater sweater teeth toriel tree tutu undertale undyne undyne_the_undying v-shaped_eyebrows very_long_hair weapon yellow_flower

1boy androgynous android back black_hair blue_sweater brown_hair brown_hat cowboy_hat dated fabulous finger_on_trigger frisk_(undertale) glowing grin gun hair_over_one_eye hand_on_own_hip handgun hat heart highres holding holding_gun holding_weapon k_ptn left-handed long_sleeves looking_at_another mettaton mettaton_ex one_eye_covered short_hair signature size_difference smile stage stage_lights striped_clothes striped_sweater sweater undertale w_arms weapon

androgynousandroid

>:d 1boy 77777054 :d =_= androgynous android boots brown_hair closed_eyes cowboy_hat frisk_(undertale) gloves gradient_background hair_over_one_eye hat high_heel_boots high_heels looking_at_another mettaton mettaton_ex open_mouth pink_boots pink_eyes robot shoes short_shorts shorts smile sneakers umbrella undertale v v-shaped_eyebrows white_gloves

1girl android breasts drink female_focus gender_request genderswap genderswap_(mtf) glasses indoors large_breasts looking_at_viewer mettaton mettaton_ex monochrome short_hair solo sweater translation_request undertale upper_body サユメ(sym)

absurdres alphys annoying_dog asgore_dreemurr asriel_dreemurr burgerpants dogamy dogaressa doggo flowey_(undertale) greater_dog grillby highres k.blank lesser_dog mad_dummy_(undertale) mettaton mettaton_ex monster_kid_(undertale) napstablook papyrus_(undertale) photoshop_flowey royal_guard_01_(undertale) royal_guard_02_(undertale) sans_(undertale) temmie toriel undertale undyne w.d._gaster

absurdresalphys

alphys androgynous annoying_dog arm_around_shoulder asgore_dreemurr asriel_dreemurr barefoot black_hair blush brown_hair cape chara_(undertale) closed_eyes copyright_name crown eyepatch flowey_(undertale) food frisk_(undertale) furry furry_male gender_request heart lying mettaton mettaton_ex monster_boy monster_kid_(undertale) napstablook on_back open_mouth papyrus_(undertale) pasta ponytail red_cape red_footwear red_hair robe sans_(undertale) shirt shoes shorts smile sosoa spaghetti standing striped_clothes striped_shirt tail tail_wagging temmie toriel undertale undyne w.d._gaster

alphysandrogynous

2boys amakusa amakusa_(hidorozoa) amks_krg bad_id bad_twitter_id hair_over_one_eye heart mettaton mettaton_ex microphone multiple_boys pink_background simple_background smile undertale v

amakusaamakusa_(hidorozoa)

1boy =_= androgynous android bad_id bad_pixiv_id bandages black_hair brown_hair colored_skin english_text frisk_(undertale) full_body gloves grin hair_over_one_eye hand_on_own_chest hscatter leg_up looking_at_viewer mettaton mettaton_ex pink_eyes shirt simple_background smile standing standing_on_one_leg striped_clothes striped_shirt tutu undertale white_background white_gloves yellow_skin

2boys android arrow_(symbol) boots character_name reference_sheet cousins crying dual_persona english_text ghost gloves hair_over_one_eye hand_on_own_hip hat headphones heart high_heel_boots high_heels highres lips male_focus mettaton mettaton_ex mettaton_neo monochrome multiple_boys napstablook no_humans parted_lips polaris_(polarissketches) robot sepia spoilers standing tears top_hat undertale watermark web_address

androidarrow_(symbol)

2girls 3boys androgynous android ankle_boots anniversary armor black_hair blue_eyes blue_skin boots brown_hair closed_eyes colored_skin copyright_name eyepatch fang fang_out fins flower flowey_(undertale) frisk_(undertale) furry gills gloves green_eyes grey_skin grin hair_over_one_eye head_fins heart hood hoodie horns magatatara mettaton mettaton_ex monster_girl multicolored_hair multiple_boys multiple_girls open_mouth papyrus_(undertale) ponytail purple_hair red_hair robe sans_(undertale) scarf shirt shorts shoulder_pads skeleton smile socks sparkle striped_clothes striped_shirt tank_top teeth toriel undertale undyne yellow_eyes

androgynousandroid

1girl 2boys alternate_costume black_hair caribun comic donut english_text extra_eyes eyeshadow faceless faceless_male flower_pot food headscarf highres arthropod_girl makeup mettaton mettaton_ex muffet multiple_boys restaurant scowl spider_girl sweater undertale yellow_eyes

alternate_costumeblack_hair

1girl 2boys alternate_costume bakery black_hair cameraman caribun comic donut english_text extra extra_eyes eyeshadow flower_pot food furry headscarf headphones highres arthropod_girl makeup mettaton mettaton_ex microphone monster muffet multiple_boys napstablook profanity rabbit_boy restaurant shop spider_girl sweater undertale yellow_eyes

alternate_costumebakery

1girl 2boys alternate_costume black_hair caribun comic english_text headscarf headphones arthropod_girl mettaton mettaton_ex muffet multiple_boys napstablook spider_girl undertale

alternate_costumeblack_hair

1boy android black_hair boots character_name city cloak colored_skin copyright_name crown gloves gradient_background grey_skin high_heel_boots high_heels male_focus mettaton mettaton_ex mist_e10 multicolored_hair purple_eyes purple_hair scepter smirk solo sweatdrop undertale

androidblack_hair

3boys 3girls =_= androgynous animated animated_gif armor arthropod_girl black_hair blue_eyes bone brown_hair c: closed_eyes colored_sclera colored_skin cup energy_spear everyone extra_arms extra_eyes eyelashes eyepatch fangs food frisk_(undertale) furry gameplay_mechanics gloves glowing glowing_eye graph grin hair_over_one_eye hair_ribbon heart horns insect_girl jacket knife lowres mettaton mettaton_ex monster muffet's_pet multiple_boys multiple_girls mystery_skulls one_eye_closed open_mouth papyrus_(undertale) parody pie polearm ponytail purple_skin red_eyes red_hair ribbon sans_(undertale) scarf sharp_teeth shirt short_twintails skeleton skull smile snow spear spider_girl spoilers striped_clothes striped_shirt teacup teeth tongue tongue_out toriel twintails undertale undyne unoobang weapon yellow_sclera yellow_teeth

2d 2others 3_girls 3boys alphys anthro artist_request asgore_dreemurr asriel_dreemurr ass back_view chara_(undertale) digital_media dinosaur dinosaur_girl female_anthro frisk_(undertale) high_heel_boots lineup lizard lizard_girl lower_body mettaton mettaton_ex monster monster_girl no_visible_face panties pink_high_heel_boots reptile reptile_girl robot robot_boy robot_humanoid scalie scalie_female toriel undertale undertale_(series) underwear undyne video_game_character video_games

1boy 2_girls 2d 2d_(artwork) alphys anthro artist_request chubby chubby_female digital_media_(artwork) dinosaur dinosaur_girl english_text female female_anthro female_focus fish fish_girl glasses hair humanoid humanoid_robot lizard lizard_girl mettaton mettaton_ex monster monster_girl naked naked_female nude nude_female pointing reptile reptile_girl robot robot_boy robot_humanoid scalie scalie_female solo_focus text thumbs_up trio undertale undertale_(series) undyne video_game_character video_games white_background yellow_body yellow_skin

1girl 1other 2015 2_girls 2boys 2d ambiguous_gender anthro asriel_dreemurr asriel_dreemurr_(god_of_hyperdeath) ass black_sclera blue_eyes blush boss_monster breasts caprine claws clothing comic comic_page comic_panel crying dialogue digital_media duo_focus english_text face_markings female female_anthro fish floppy_ears frisk_(undertale) fur furry furry_female furry_male goat goat_ears goat_horns hair highres horn horns hug human humanoid humor jasonafex kabier love_or_be_loved machine male male_anthro mammal marine markings masturbation mature_female mettaton mettaton_ex milf monster monster_boy monster_girl mother mother_and_son nude parent penile_masturbation penis red_eyes robe robot robot_boy robot_humanoid sequential sitting son spread_legs spreading tears testicles text toriel uncut undertale undertale_(series) undyne undyne_the_undying video_game_character video_games white_body white_fur

ambiguous_genderanthro

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