Xbooru - 2010s 2boys 2d 2d (artwork) anal animated skeleton bigger male bigger penetrating bigger penetrating smaller blush blush lines bottom on top bottom sans brother brother/brother brother and brother brother penetrating brother brothers clothed clothing collar comic comic page comic panel digital media (artwork) edit edited eli-sin-g english text fangs fontcest incest intraspecies kolesjoie larger male larger penetrating larger penetrating smaller long image male male/male male only male penetrated male penetrating male penetrating male monster monster boy multiple images papyrus papyrus (undertale) papysans penetration sans sans (undertale) seme papyrus sequence sequential service top sex sibling incest siblings skeleton smaller male smaller penetrated speech bubble sweat talking tall image text text bubble third-party edit top papyrus uke sans undead undertale undertale (series) video games yaoi | 1029568

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

2010s 2boys 2d 2d_(artwork) anal animated_skeleton bigger_male bigger_penetrating bigger_penetrating_smaller blush blush_lines bottom_on_top bottom_sans brother brother/brother brother_and_brother brother_penetrating_brother brothers clothed clothing collar comic comic_page comic_panel digital_media_(artwork) edit edited eli-sin-g english_text fangs fontcest incest intraspecies kolesjoie larger_male larger_penetrating larger_penetrating_smaller long_image male male/male male_only male_penetrated male_penetrating male_penetrating_male monster monster_boy multiple_images papyrus papyrus_(undertale) papysans penetration sans sans_(undertale) seme_papyrus sequence sequential service_top sex sibling_incest siblings skeleton smaller_male smaller_penetrated speech_bubble sweat talking tall_image text text_bubble third-party_edit top_papyrus uke_sans undead undertale undertale_(series) video_games yaoi

Edit | Create an account to comment