Xbooru - ... 2010s 2018 2boys 2d 2d (artwork) animated skeleton artist name black background blue tongue blush bottom sans brother brother/brother brother and brother brothers clothed clothed male clothing comic comic page comic panel cum cum on face cumshot digital media (artwork) dirty talk dominant dominant male domination dubious consent duo echoheartx ectopenis ectotongue ejaculation elegantfolly english text fellatio fontcest fully clothed fully clothed male gay gloves grabbing head head grab hooded jacket hoodie incest jacket licking penis male male/male male only maledom malesub monochrome monster oral orange cum orange penis orange tongue orgasm papyrus papyrus (undertale) papysans partially colored penis prehensile penis sans sans (undertale) seme papyrus semen on face sequence sequential skeleton submissive submissive male sweat tentacle penis text tongue top papyrus uke sans undead undertale undertale (series) video game character video games yaoi