Xbooru - 1boy 1cuntboy 2010s 2017 animated skeleton bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller blue blush blue clitoris blue hoodie blue jacket blue pussy blush bottom sans bottomless brother brother/brother brothers clitoris clothed male couch couch sex cuntboy cuntboy focus cuntboy penetrated cuntboysub dominant male duo ectopenis ectoplasm ectopussy fontcest gloves hooded jacket hoodie incest jacket larger male larger penetrating larger penetrating smaller legs apart legs spread male male/cuntboy male penetrating male penetrating cuntboy maledom mmmemmo monster on couch on sofa orange penis papyrus papyrus (undertale) papysans penetration penis penis in pussy penis through clothing pussy pussy juice pussy juice drip red gloves sans sans (undertale) seme papyrus sequence sequential sequential art sequential set sex shirt lift shirt up sitting sitting on couch skeleton small sub small sub big dom smaller cuntboy smaller penetrated smaller sub smaller sub bigger dom socks socks on sofa spread legs spread pussy submissive cuntboy top papyrus touching pussy uke sans undead undertale undertale (series) unseen male face vaginal vaginal penetration vaginal sex veiny penis yaoi