gelbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2023 2boys 2d 2d (artwork) after penetration after sex animated skeleton artist name bigger penetrating blue blush blush bottom on top bottom sans brother brother/brother brother and brother brothers completely nude completely nude male cum cum leaking cum trail digital media (artwork) duo ectopenis facing another fontcest incest kneeling larger penetrating larger penetrating smaller looking at another looking at partner male male only male penetrating monochrome monster nude nude male orange blush orange penis papyrus papyrus (undertale) papysans penis power bottom sans sans (undertale) seme papyrus sitting skeleton smaller penetrated spoken heart submissive top testicles text themimii1 top papyrus twitter username uke sans undead undertale undertale (series) video game character video games2024-05-14T15:19:12Zgelbooru