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1boy 1cuntboy 2020s 2023 2d 2d_(artwork)animated_skeleton aokisk artist_name big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_pussy blue_tongue blush bottom_sans bottomless bottomless_cuntboy bottomless_male brother brother/brother brother_and_brother brother_penetrating_brother brothers clitoris clothed clothing crying crying_with_eyes_open cuntboy cuntboy_penetrated digital_media_(artwork)drooling duo ectopenis ectopussy english_text fontcest from_behind_position genitals gloves grey_background grey_socks hand_under_clothes holding_hand incest intraspecies kneel larger_male larger_penetrating larger_penetrating_smaller male male/cuntboy male_only male_penetrating male_penetrating_cuntboy monster monster_boy orange_blush orange_eye orange_penis papyrus papyrus_(undertale)papysans partially_clothed penetration penetration_from_behind penis pussy red_gloves riding riding_penis sans sans_(undertale)seme_papyrus sex sex_from_behind sibling_incest siblings simple_background sitting skeleton smaller_cuntboy smaller_penetrated socks talking_to_another talking_to_partner tears text tongue tongue_out top_papyrus topwear twitter_username uke_sans undead undertale undertale_(series)vaginal vaginal_penetration vaginal_sex video_game_character video_games yaoi

1boy 1cuntboy 2020s 2023 2d 2d_(artwork) animated_skeleton aokisk artist_name big_penis bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_clitoris blue_pussy blue_tongue blush bottom_sans bottomless bottomless_cuntboy bottomless_male brother brother/brother brother_and_brother brother_penetrating_brother brothers clitoris clothed clothing crying crying_with_eyes_open cuntboy cuntboy_penetrated digital_media_(artwork) drooling duo ectopenis ectopussy english_text fontcest from_behind_position genitals gloves grey_background grey_socks hand_under_clothes holding_hand incest intraspecies kneel larger_male larger_penetrating larger_penetrating_smaller male male/cuntboy male_only male_penetrating male_penetrating_cuntboy monster monster_boy orange_blush orange_eye orange_penis papyrus papyrus_(undertale) papysans partially_clothed penetration penetration_from_behind penis pussy red_gloves riding riding_penis sans sans_(undertale) seme_papyrus sex sex_from_behind sibling_incest siblings simple_background sitting skeleton smaller_cuntboy smaller_penetrated socks talking_to_another talking_to_partner tears text tongue tongue_out top_papyrus topwear twitter_username uke_sans undead undertale undertale_(series) vaginal vaginal_penetration vaginal_sex video_game_character video_games yaoi

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