gelbooruhttps://xbooru.com/index.php?page=atom&tags=>:( 2020 2020s 2boys animated skeleton ass slap bottom sans brother/brother brothers butt slap clothed couch duo fontcest gay gloves incest japanese text male male/male monster papyrus papyrus (undertale) papysans red gloves sans sans (undertale) seme papyrus sitting on couch sitting on sofa skeleton slapping ass slapping butt sofa spanking spanking ass spanking butt text top papyrus uke sans undead undertale undertale (series) yaoi yoshityama22024-05-13T21:07:52Zgelbooru