gelbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2023 2boys 2d 2d (artwork) animated skeleton bed bottom sans bottomless bottomless male brother brother/brother brother and brother brothers clothed clothing dark room duo fontcest incest kneeling male male/male male focus male only mianpigui monochrome monster on bed pants around legs pants down pants pulled down papyrus papyrus (undertale) papysans power bottom sans sans (undertale) seme papyrus skeleton top papyrus uke sans undead undertale undertale (series) video games wqw1201501125 yaoi2024-05-14T13:50:24Zgelbooru