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