Xbooru - 2020s 2022 animated skeleton bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller blue blush blue hoodie blue jacket blue tongue blush bottom sans brother penetrating brother brothers clothed crying crying with eyes open cum drooling duo ectoplasm fontcest gloves grabbing legs grabbing sheets gripping sheets hooded jacket hoodie incest jacket japanese text larger male larger penetrating larger penetrating smaller legs apart legs held open logo (pixiv30462562) male male out of frame male penetrating monster orgasm papyrus papyrus (undertale) papysans partially clothed partially nude penetration pixiv id 30462562 red gloves sans sans (undertale) seme papyrus sex skeleton small sub small sub big dom smaller penetrated smaller sub smaller sub bigger dom solo focus sweat tears text tongue tongue out top papyrus uke sans undead undertale undertale (series) unseen male face