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1boy 1cuntboy 2010s 2017 2d 2d_(artwork) animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brother brother/brother brothers clitoris clothed_male couch couch_sex cuntboy cuntboy_focus cuntboy_penetrated cuntboysub digital_media_(artwork) dominant_male duo ectopenis ectoplasm ectopussy fontcest genitals gloves hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_spread male male/cuntboy male_penetrating male_penetrating_cuntboy maledom mmmemmo monster on_couch on_sofa orange_penis papyrus papyrus_(undertale) papysans penetration penis penis_in_pussy penis_through_clothing pussy pussy_juice pussy_juice_drip red_gloves sans sans_(undertale) seme_papyrus sequence sequential sequential_art sequential_set sex shirt_lift shirt_up sitting sitting_on_couch skeleton small_sub small_sub_big_dom smaller_cuntboy smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa spread_legs spread_pussy submissive_cuntboy top_papyrus touching_pussy uke_sans undead undertale undertale_(series) unseen_male_face vaginal vaginal_penetration vaginal_sex veiny_penis video_game_character video_games x-ray yaoi

1boy 1cuntboy 2010s 2017 2d 2d_(artwork)animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brother brother/brother brothers clitoris clothed_male couch couch_sex cuntboy cuntboy_focus cuntboy_penetrated cuntboysub digital_media_(artwork)dominant_male duo ectopenis ectoplasm ectopussy fontcest genitals gloves hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_spread male male/cuntboy male_penetrating male_penetrating_cuntboy maledom mmmemmo monster on_couch on_sofa orange_penis papyrus papyrus_(undertale)papysans penetration penis penis_in_pussy penis_through_clothing pussy pussy_juice pussy_juice_drip red_gloves sans sans_(undertale)seme_papyrus sequence sequential sequential_art sequential_set sex shirt_lift shirt_up sitting sitting_on_couch skeleton small_sub small_sub_big_dom smaller_cuntboy smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa spread_legs spread_pussy submissive_cuntboy top_papyrus touching_pussy uke_sans undead undertale undertale_(series)unseen_male_face vaginal vaginal_penetration vaginal_sex veiny_penis video_game_character video_games x-ray yaoi

1boy 1cuntboy 2010s 2017 2d 2d_(artwork) animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brother brother/brother brothers clitoris clothed_male couch couch_sex cuntboy cuntboy_focus cuntboy_penetrated cuntboysub digital_media_(artwork) dominant_male duo ectopenis ectoplasm ectopussy fontcest genitals gloves hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_spread male male/cuntboy male_penetrating male_penetrating_cuntboy maledom mmmemmo monster on_couch on_sofa orange_penis papyrus papyrus_(undertale) papysans penetration penis penis_in_pussy penis_through_clothing pussy pussy_juice pussy_juice_drip red_gloves sans sans_(undertale) seme_papyrus sequence sequential sequential_art sequential_set sex shirt_lift shirt_up sitting sitting_on_couch skeleton small_sub small_sub_big_dom smaller_cuntboy smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa spread_legs spread_pussy submissive_cuntboy top_papyrus touching_pussy uke_sans undead undertale undertale_(series) unseen_male_face vaginal vaginal_penetration vaginal_sex veiny_penis video_game_character video_games x-ray yaoi

1boy 1cuntboy 2010s 2017 2d 2d_(artwork) animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_hoodie blue_jacket blue_pussy blush bottom_sans bottomless brother brother/brother brothers clitoris clothed_male couch couch_sex cuntboy cuntboy_focus cuntboy_penetrated cuntboysub digital_media_(artwork) dominant_male duo ectopenis ectoplasm ectopussy fontcest genitals gloves hooded_jacket hoodie incest jacket larger_male larger_penetrating larger_penetrating_smaller legs_apart legs_spread male male/cuntboy male_penetrating male_penetrating_cuntboy maledom mmmemmo monster on_couch on_sofa orange_penis papyrus papyrus_(undertale) papysans penetration penis penis_in_pussy penis_through_clothing pussy pussy_juice pussy_juice_drip red_gloves sans sans_(undertale) seme_papyrus sequence sequential sequential_art sequential_set sex shirt_lift shirt_up sitting sitting_on_couch skeleton small_sub small_sub_big_dom smaller_cuntboy smaller_penetrated smaller_sub smaller_sub_bigger_dom socks socks_on sofa spread_legs spread_pussy submissive_cuntboy top_papyrus touching_pussy uke_sans undead undertale undertale_(series) unseen_male_face vaginal vaginal_penetration vaginal_sex veiny_penis video_game_character video_games yaoi

1boy 2010s 2017 2d 2d_(artwork) anal anal_fingering animated_skeleton blue_blush blue_hoodie blue_jacket blue_penis blush clothed clothed_male clothing digital_media_(artwork) double_masturbation drooling ectoplasm fingering fingering_ass fingering_self fully_clothed genitals hooded_jacket hoodie indoors jacket looking_pleasured male male_masturbation male_moaning male_only masturbation mmmemmo moaning monster monster_boy onomatopoeia penile penile_masturbation penis pink_slippers pleasure_face sans sans_(undertale) sitting skeleton slippers solo_male undead undertale undertale_(series) video_game_character video_games