gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2017 2boys animated skeleton bed bedroom blanket bottom sans brother brother/brother brother and brother brothers clothed clothing comic comic page comic panel duo fontcest glowing glowing genitalia incest indoors laying on bed lying on bed male male/male male only monochrome on bed papyrus papyrus (undertale) papysans partially colored sans sans (undertale) seme papyrus sequence sequential skeleton supermuuh top papyrus uke sans undead under blanket undertale undertale (series) unseen male face yaoi2024-05-12T08:59:02Zgelbooru