gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2018 2boys 2d 2d (artwork) animated skeleton bed bedroom bottom sans brother/brother brothers chinese text clothed comic digital media (artwork) duo fontcest gay incest indoors interlocked fingers intertwined fingers male male/male male only monochrome monster on bed papyrus papyrus (undertale) papysans sans sans (undertale) seme papyrus skeleton text text bubble top papyrus uke sans undead undertale undertale (series) unseen male face veah-3sin video games yaoi2024-05-13T08:52:05Zgelbooru