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2020s 2021 2boys 2d 2d_(artwork) 2males abosinsin anal animated_skeleton bad_id bad_twitter_id big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blue_tongue blush boots bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed_sex digital_media_(artwork) duo ectopenis ectotongue edit edited erect_penis erect_while_penetrated erection fontcest gay hand_on_another's_shoulder hooded_jacket hoodie inactive_account incest intraspecies jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart looking_pleasured lying_down male male/male male_only male_penetrated male_penetrating male_penetrating_male moaning monster monster_boy open_mouth orange_blush orange_penis overstimulation papyrus papyrus_(font) papyrus_(undertale) papysans partially_colored penetration penis penis_size_difference pleasure_face sans sans_(undertale) seme_papyrus service_top sex sex_through_clothes sex_through_clothing sibling_incest siblings size_difference skeleton small_penis smaller_male smaller_penetrated smooth_penis sweat tears tears_of_pleasure text third-party_edit tongue tongue_grab tongue_out top_papyrus twitter_username uke_sans undead undertale undertale_(series) veiny_penis video_game_character video_games x-ray yaoi

2020s 2021 2boys 2d 2d_(artwork)2males abosinsin anal animated_skeleton bad_id bad_twitter_id big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blue_tongue blush boots bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed_sex digital_media_(artwork)duo ectopenis ectotongue edit edited erect_penis erect_while_penetrated erection fontcest gay hand_on_another's_shoulder hooded_jacket hoodie inactive_account incest intraspecies jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart looking_pleasured lying_down male male/male male_only male_penetrated male_penetrating male_penetrating_male moaning monster monster_boy open_mouth orange_blush orange_penis overstimulation papyrus papyrus_(font)papyrus_(undertale)papysans partially_colored penetration penis penis_size_difference pleasure_face sans sans_(undertale)seme_papyrus service_top sex sex_through_clothes sex_through_clothing sibling_incest siblings size_difference skeleton small_penis smaller_male smaller_penetrated smooth_penis sweat tears tears_of_pleasure text third-party_edit tongue tongue_grab tongue_out top_papyrus twitter_username uke_sans undead undertale undertale_(series)veiny_penis video_game_character video_games x-ray yaoi

2020s 2021 2boys 2d 2d_(artwork) 2males abosinsin anal animated_skeleton bad_id bad_twitter_id big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_penis blue_tongue blush boots bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers closed_eyes clothed clothed_sex digital_media_(artwork) duo ectopenis ectotongue edit edited erect_penis erect_while_penetrated erection fontcest gay hand_on_another's_shoulder hooded_jacket hoodie inactive_account incest intraspecies jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart looking_pleasured lying_down male male/male male_only male_penetrated male_penetrating male_penetrating_male moaning monster monster_boy open_mouth orange_blush orange_penis overstimulation papyrus papyrus_(font) papyrus_(undertale) papysans partially_colored penetration penis penis_size_difference pleasure_face sans sans_(undertale) seme_papyrus service_top sex sex_through_clothes sex_through_clothing sibling_incest siblings size_difference skeleton small_penis smaller_male smaller_penetrated smooth_penis sweat tears tears_of_pleasure text third-party_edit tongue tongue_grab tongue_out top_papyrus twitter_username uke_sans undead undertale undertale_(series) veiny_penis video_game_character video_games x-ray yaoi

1girl :3 :d arm_around_neck arm_at_side bat_hair_ornament born_to_die_world_is_a_fuck_(meme) cat clothes_writing collarbone cowboy_shot demon_tail disco_brando dog english_text fang gabriel_dropout hair_ornament hair_rings halo hand_on_another's_shoulder hands_on_own_hips head_tilt high_res meme no_pants open_mouth orange_hair pink_background pink_eyes satanichia_kurumizawa_mcdowell shirt short_sleeves simple_background smile smug solid_oval_eyes standing t-shirt tail twitter_username v-shaped_eyebrows waving white_shirt

1boy 1boy1girl 1girl 2010s 2016 2d 2d_(artwork) 4_toes animated_skeleton anthro anthro_penetrated artist_request big_breasts blush bone breasts caprine closed_eyes clothed clothed_male dominant_male duo ectopenis english_text feet female female_anthro female_penetrated femsub furry gloves goat grabbing_legs hand_on_another's_shoulder hetero horns humanoid humanoid_penetrating humanoid_penetrating_anthro indoors interspecies kitchen kitchen_counter leg_grab legs_held_open male male/female male_humanoid male_penetrating male_penetrating_female maledom mammal monochrome monster monster_boy monster_girl motion_lines nipples orange_blush orange_penis papyrus papyrus_(undertale) partially_clothed partially_clothed_female partially_colored partially_nude_female paws penetration penis penis_in_pussy pussy seme_papyrus sex skeleton sketch straight submissive_female text thrusting top_papyrus toriel undead undertale undertale_(series) vaginal vaginal_penetration vaginal_sex video_game_character video_games