1027874

2022 2boys 2d animated_skeleton bigger_male black_pants blue_blush blue_hoodie blue_jacket blue_penis blush blushing_male bonerut bottomless bottomless_male brother brother_and_brother brothers brown_background clothed clothing couch digital_media duo ectopenis eyeless eyeless_male fluids fully_clothed fully_clothed_male genital_fluids genitals gloves hand_on_face hand_on_own_face hooded_jacket hoodie implied_incest implied_yaoi incest jacket larger_male male male_masturbation male_only masturbating_together masturbation monster monster_boy orange_blush orange_penis pants papyrus_(undertale) partially_clothed partially_clothed_male penile penile_masturbation penis pink_footwear pink_gloves precum red_gloves sans_(undertale) sibling_incest siblings simple_background sitting sitting_on_couch size_difference skeleton slippers smaller_male undead undertale undertale_(series) video_game_character video_games

2022 2boys 2d animated_skeleton bigger_male black_pants blue_blush blue_hoodie blue_jacket blue_penis blush blushing_male bonerut bottomless bottomless_male brother brother_and_brother brothers brown_background clothed clothing couch digital_media duo ectopenis eyeless eyeless_male fluids fully_clothed fully_clothed_male genital_fluids genitals gloves hand_on_face hand_on_own_face hooded_jacket hoodie implied_incest implied_yaoi incest jacket larger_male male male_masturbation male_only masturbating_together masturbation monster monster_boy orange_blush orange_penis pants papyrus_(undertale)partially_clothed partially_clothed_male penile penile_masturbation penis pink_footwear pink_gloves precum red_gloves sans_(undertale)sibling_incest siblings simple_background sitting sitting_on_couch size_difference skeleton slippers smaller_male undead undertale undertale_(series)video_game_character video_games

2022 2boys 2d animated_skeleton bigger_male black_pants blue_blush blue_hoodie blue_jacket blue_penis blush blushing_male bonerut bottomless bottomless_male brother brother_and_brother brothers brown_background clothed clothing couch digital_media duo ectopenis eyeless eyeless_male fluids fully_clothed fully_clothed_male genital_fluids genitals gloves hand_on_face hand_on_own_face hooded_jacket hoodie implied_incest implied_yaoi incest jacket larger_male male male_masturbation male_only masturbating_together masturbation monster monster_boy orange_blush orange_penis pants papyrus_(undertale) partially_clothed partially_clothed_male penile penile_masturbation penis pink_footwear pink_gloves precum red_gloves sans_(undertale) sibling_incest siblings simple_background sitting sitting_on_couch size_difference skeleton slippers smaller_male undead undertale undertale_(series) video_game_character video_games

1boy 2d 2d_(artwork) adorable animated_skeleton arm_support black_pants blue_blush blue_jacket blue_penis blue_tongue blush blushing_male bodily_fluids bottom_sans cute cute_male cute_penis digital_media_(artwork) ectotongue fangs fluids glowing_genitalia glowing_penis grey_background jacket kneel looking_at_viewer male male_only malesub monster off_shoulders pants penis sans sans_(undertale) simple_background skeleton small_penis solid_color_background solo_male submissive submissive_male tongue tongue_out topless topless_male uke_sans undead undertale undertale_(series) unknown_artist video_game_character video_games

2boys animated_skeleton blue_hoodie blue_jacket blue_penis bottom_sans brown_hair closed_eyes comic_sans couch couch_sex dubious_consent ectopenis fellatio frans_(ship) frisk_(male)_(undertale) frisk_(undertale) hooded_jacket hoodie human human_penetrating jacket joke lady_sudeley male/male male_human male_only on_couch on_sofa penetrating_pov penetration penetrator_pov penis pun questionable_consent sans sans_(undertale) skeleton sofa tape tape_gag taped_mouth text tumblr_username uke_sans undertale undertale_(series) yaoi