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2022 2d ahe_gao ahegao animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bodily_fluids bottom_sans clothed crying digital_media_(artwork) drooling faceless_male from_behind from_behind_position grabbing_sheets gripping_sheets hooded_jacket hoodie jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv_id_30462562) male male_ahegao male_only male_penetrating monster monster_boy on_stomach partially_clothed partially_nude penetration penetration_from_behind sans sans_(undertale) sex sex_from_behind size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus submissive sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_male_face yaoi

2022 2d ahe_gao ahegao animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bodily_fluids bottom_sans clothed crying digital_media_(artwork)drooling faceless_male from_behind from_behind_position grabbing_sheets gripping_sheets hooded_jacket hoodie jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv_id_30462562)male male_ahegao male_only male_penetrating monster monster_boy on_stomach partially_clothed partially_nude penetration penetration_from_behind sans sans_(undertale)sex sex_from_behind size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus submissive sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series)unseen_male_face yaoi

2022 2d ahe_gao ahegao animated_skeleton anon anonymous_male bigger_dom bigger_dom_smaller_sub bigger_male bigger_penetrating bigger_penetrating_smaller blue_blush blue_hoodie blue_jacket blue_tongue blush bodily_fluids bottom_sans clothed crying digital_media_(artwork) drooling faceless_male from_behind from_behind_position grabbing_sheets gripping_sheets hooded_jacket hoodie jacket japanese_text larger_male larger_penetrating larger_penetrating_smaller logo_(pixiv_id_30462562) male male_ahegao male_only male_penetrating monster monster_boy on_stomach partially_clothed partially_nude penetration penetration_from_behind sans sans_(undertale) sex sex_from_behind size_difference skeleton small_sub small_sub_big_dom smaller_penetrated smaller_sub smaller_sub_bigger_dom solo_focus submissive sweat tears text tongue tongue_out uke_sans undead undertale undertale_(series) unseen_male_face yaoi

1boy 2010s 2017 2d 2d_(artwork) ahegao animated_skeleton blue_blush blush bottom_sans clothed crying crying_with_eyes_open digital_media_(artwork) disembodied_hand disembodied_hands dubnyangg english_text handcuffed handcuffs hands heart-shaped_pupils heart_eyes hoodie male male_ahegao male_focus male_only malesub moaning pleasure_face sans sans_(undertale) skeleton soul_sex submissive submissive_male sweat tears tears_of_pleasure text text_bubble tongue_out uke_sans undead undertale undertale_(series) video_games

1boy 2010s 2017 2d 2d_(artwork) ahegao animated_skeleton blue_blush blush bottom_sans choking clothed digital_media_(artwork) dubnyangg english_text fangs hoodie male male_ahegao male_focus malesub one_eye_closed sans sans_(undertale) skeleton soul_sex submissive submissive_male sweat text tongue_out uke_sans undead undertale undertale_(series) video_games