Xbooru - 1boy 1cuntboy 2010s 2018 animated skeleton artist name blue blush blush bottom sans bound brothers clothed cuntboy cuntboy focus cuntboysub english text fontcest humanoid incest intraspecies male/cuntboy monster monster boy orange tentacles papyrus papyrus (undertale) papysans partially colored sans sans (undertale) seme papyrus sequence sequential sibling incest siblings simple background skeleton slimeybonez solo focus speech bubble submissive submissive cuntboy tentacle text text bubble top papyrus tumblr uke sans undead undertale undertale (series) unseen character unseen male unseen male face upper body white background yaoi | 1025515

This post belongs to a parent post. Child posts are often subsequent pages of a doujinshi, or minor variations of the parent post.

1boy 1cuntboy 2010s 2018 animated_skeleton artist_name blue_blush blush bottom_sans bound brothers clothed cuntboy cuntboy_focus cuntboysub english_text fontcest humanoid incest intraspecies male/cuntboy monster monster_boy orange_tentacles papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sequence sequential sibling_incest siblings simple_background skeleton slimeybonez solo_focus speech_bubble submissive submissive_cuntboy tentacle text text_bubble top_papyrus tumblr uke_sans undead undertale undertale_(series) unseen_character unseen_male unseen_male_face upper_body white_background yaoi

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