Xbooru - 2020s 2021 2boys 2d 2d (artwork) animated skeleton artist name beetleevil begging biting clothes biting shirt blue blush blue tongue blush blushing male bottom sans bottomless bottomless male brother brother/brother brother and brother brother penetrating brother brothers carrying carrying another carrying partner carrying position clothed clothing crotch rub cussing digital media (artwork) dirty talk dry humping duo ectopenis ectoplasm ectotongue edit edited english text evilbeetle fontcest glowing genitalia grabbing wrist grey background hand on crotch heart-shaped pupils heart eyes horny horny male humping incest large filesize long image male male/male male only male penetrated male penetrating moaning monochrome monster orange blush orange shirt pants around legs pants around thighs pants down papyrus papyrus (undertale) papysans partially clothed partially clothed male partially colored pervert profanity reverse suspended congress sans sans (undertale) seme papyrus sequence sequential shirt up simple background skeleton soul soul sex speech bubble spoken musical note stand and carry position stealth sex swearing talking talking to another talking to partner tall image tears tears of pleasure text text bubble third-party edit top papyrus touching crotch trembling uke sans undead undertale undertale (series) video games yaoi