Xbooru - alternate universe anal anal penetration animated skeleton artist name big dom big dom small sub bigger penetrating bigger penetrating smaller blindfold blindfolded blue body blue pussy blue tongue blush bottom sans double penetration ectobody ectotongue fellswap fontcest larger penetrating larger penetrating smaller male nosiko444 orange body orange penis papyrus papyrus (fellswap) papyrus (underswap) papyrus au papysans red body red penis sans sans (undertale) seme papyrus skeleton small sub small sub big dom smaller penetrated threesome tongue tongue out top papyrus uke sans undead underswap undertale undertale au vaginal vaginal penetration