Xbooru - 2020s 2022 2boys anal animated skeleton artist name beetleevil big dom big dom small sub bigger dom bigger dom smaller sub bigger penetrating bigger penetrating smaller blue blush blush blushing male bottom sans brother brother/brother brother and brother brother penetrating brother brothers closed eyes clothed clothed/nude clothed male clothed male nude male clothing completely naked completely nude crying crying with eyes closed dominant dominant male duo ectopenis ectoplasm english text evilbeetle fontcest gloves grabbing wrist incest larger penetrating larger penetrating smaller male male/male male only maledom malesub monster non-con non-consensual noncon nonconsensual nude nude male orange blush orange penis papyrus papyrus (undertale) papysans partially clothed partially clothed male penetration penetration from behind penis rape red gloves red scarf sans sans (undertale) scarf seme papyrus sex sex from behind simple background skeleton small sub small sub big dom smaller penetrated smaller sub bigger dom solid color background speech bubble standing standing sex submissive submissive male tears text text bubble thrusting top papyrus trembling trembling legs uke sans undead undertale undertale (series) yaoi