gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2017 2boys animated skeleton bottomless brothers duo exposed fontcest hooded jacket hoodie implied incest jacket looking at crotch male male only monster not furry papyrus papyrus (undertale) papysans sans sans (undertale) shirt pulled up shirt up sinfulsanspar skeleton sketch solo focus sweater undead undertale undertale (series) white background2024-05-13T22:30:28Zgelbooru