Xbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2022 2d 2d (artwork) anal animated skeleton bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller black censor bar blue blush blue hoodie blue jacket blush bottom sans bottomless brother brother penetrating brother brothers censor bar clothed digital media (artwork) drooling duo ectopenis ectoplasm fluids fontcest genital fluids genitals hooded jacket hoodie incest intraspecies jacket japanese text larger male larger penetrating larger penetrating smaller logo (pixiv id 30462562) male mastery position monster monster boy orange blush orange penis papyrus papyrus (undertale) papysans penetration pixiv sans sans (undertale) seme papyrus sex sibling incest siblings sitting sitting on lap sitting on penis sitting position skeleton small sub small sub big dom smaller penetrated smaller sub smaller sub bigger dom solo focus submissive sweat text text bubble top papyrus uke sans undead undertale undertale (series) video game character video games yaoi2024-10-19T11:17:54ZXbooru