1030925

2021 2boys 2d absurd_res animated_skeleton artist_name black_bottomwear black_clothing black_pants blue_blush blue_eye blue_hoodie blue_jacket blue_penis blush blush_lines blushing_male bodily_fluids bone boots bottom_sans brother/brother brothers candy candy_cane christmas christmas_sweater clothed clothing covering_mouth covering_own_mouth dessert digital_media dominant dominant_male duo ectopenis ectoplasm ectotongue english_text fluids fontcest food food_fetish food_insertion food_play footwear ganzooky genital_fluids genitals gloves glowing glowing_eye green_background greeting_card hand_on_mouth hat headgear headwear high_res holidays hooded_jacket hoodie improvised_sex_toy incest intraspecies jacket legs_apart male male/male male_only maledom malesub merry_christmas monster monster_boy nsfwsinningsans object_insertion orange_blush orange_tongue outside_border pants papyrus_(undertale) papysans pattern_bottomwear pattern_clothing pattern_pants penis pink_footwear pink_slippers precum red_boots red_clothing red_footwear red_gloves red_ribbon ribbon ribbon_on_penis sans_(undertale) santa_hat sibling_incest siblings sitting skeleton slippers snow socks sounding spread_legs striped_bottomwear striped_clothing striped_pants stripes submissive submissive_male sweater teeth text tongue tongue_out top_papyrus topwear translucent_penis two-tone_background undead undertale undertale_(series) urethral urethral_insertion video_games white_border yaoi

2021 2boys 2d absurd_res animated_skeleton artist_name black_bottomwear black_clothing black_pants blue_blush blue_eye blue_hoodie blue_jacket blue_penis blush blush_lines blushing_male bodily_fluids bone boots bottom_sans brother/brother brothers candy candy_cane christmas christmas_sweater clothed clothing covering_mouth covering_own_mouth dessert digital_media dominant dominant_male duo ectopenis ectoplasm ectotongue english_text fluids fontcest food food_fetish food_insertion food_play footwear ganzooky genital_fluids genitals gloves glowing glowing_eye green_background greeting_card hand_on_mouth hat headgear headwear high_res holidays hooded_jacket hoodie improvised_sex_toy incest intraspecies jacket legs_apart male male/male male_only maledom malesub merry_christmas monster monster_boy nsfwsinningsans object_insertion orange_blush orange_tongue outside_border pants papyrus_(undertale)papysans pattern_bottomwear pattern_clothing pattern_pants penis pink_footwear pink_slippers precum red_boots red_clothing red_footwear red_gloves red_ribbon ribbon ribbon_on_penis sans_(undertale)santa_hat sibling_incest siblings sitting skeleton slippers snow socks sounding spread_legs striped_bottomwear striped_clothing striped_pants stripes submissive submissive_male sweater teeth text tongue tongue_out top_papyrus topwear translucent_penis two-tone_background undead undertale undertale_(series)urethral urethral_insertion video_games white_border yaoi

2021 2boys 2d absurd_res animated_skeleton artist_name black_bottomwear black_clothing black_pants blue_blush blue_eye blue_hoodie blue_jacket blue_penis blush blush_lines blushing_male bodily_fluids bone boots bottom_sans brother/brother brothers candy candy_cane christmas christmas_sweater clothed clothing covering_mouth covering_own_mouth dessert digital_media dominant dominant_male duo ectopenis ectoplasm ectotongue english_text fluids fontcest food food_fetish food_insertion food_play footwear ganzooky genital_fluids genitals gloves glowing glowing_eye green_background greeting_card hand_on_mouth hat headgear headwear high_res holidays hooded_jacket hoodie improvised_sex_toy incest intraspecies jacket legs_apart male male/male male_only maledom malesub merry_christmas monster monster_boy nsfwsinningsans object_insertion orange_blush orange_tongue outside_border pants papyrus_(undertale) papysans pattern_bottomwear pattern_clothing pattern_pants penis pink_footwear pink_slippers precum red_boots red_clothing red_footwear red_gloves red_ribbon ribbon ribbon_on_penis sans_(undertale) santa_hat sibling_incest siblings sitting skeleton slippers snow socks sounding spread_legs striped_bottomwear striped_clothing striped_pants stripes submissive submissive_male sweater teeth text tongue tongue_out top_papyrus topwear translucent_penis two-tone_background undead undertale undertale_(series) urethral urethral_insertion video_games white_border yaoi

2010s 2017 2boys anal anal_penetration anal_sex animated_skeleton balls bed bedroom biting_pillow blanket blue_blush blue_body blush bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers bulge clothed clothing comic comic_page comic_panel crying crying_with_eyes_open dry_humping duo ectobody ectopenis edit edited erection erection_under_clothes fontcest glowing glowing_eye glowing_genitalia glowing_penis groping groping_from_behind hand_in_pants hand_under_clothes humping incest indoors intraspecies large_filesize laying_on_bed looking_at_another looking_at_each_other lying_on_bed male male/male male_only male_penetrated male_penetrating male_penetrating_male monochrome monster monster_boy on_bed on_side orange_balls orange_blush orange_body orange_penis orange_testicles papyrus papyrus_(undertale) papysans partially_colored penetration penis penis_in_anus profanity sans sans_(undertale) seme_papyrus sequence sequential sex sex_on_bed sibling_incest siblings skeleton sleeping sleeping_together supermuuh surprised surprised_expression sweat tears testicles text third-party_edit top_papyrus uke_sans undead under_blanket undertale undertale_(series) waking_up yaoi

2010s 2017 2boys 2d 2d_(artwork) anal anal_penetration anal_sex animated_skeleton balls bed bedroom biting_pillow blanket blue_blush blue_body blush bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers bulge clothed clothing comic comic_page comic_panel crying crying_with_eyes_open digital_media_(artwork) dry_humping duo ectobody ectopenis edit edited erection erection_under_clothes fontcest glowing glowing_eye glowing_genitalia glowing_penis groping groping_from_behind hand_in_pants hand_under_clothes humping incest indoors intraspecies large_filesize long_image looking_at_another looking_at_each_other lying_on_bed male male/male male_only male_penetrated male_penetrating male_penetrating_male monochrome monster monster_boy multiple_images on_bed on_side orange_balls orange_blush orange_body orange_penis orange_testicles papyrus papyrus_(undertale) papysans partially_colored penetration penis penis_in_anus profanity sans sans_(undertale) seme_papyrus sequence sequential sex sex_on_bed sibling_incest siblings skeleton sleeping sleeping_together supermuuh surprised surprised_expression sweat tall_image tears testicles text third-party_edit top_papyrus uke_sans undead under_blanket undertale undertale_(series) video_games waking_up yaoi