gelbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2021 2boys 2d 2d (artwork) animated skeleton beetleevil blue blush blush blush lines bottom sans bottomless brother brother/brother brother and brother brothers clothed crying cussing digital media (artwork) duo english text evilbeetle fingering fingering another fingering partner fontcest heat hugging in heat incest male male only monster nude papyrus papyrus (undertale) papysans partially clothed partially colored profanity sans sans (undertale) seme papyrus skeleton soul speech bubble swearing text text bubble top papyrus topless topless male uke sans undead undertale undertale (series) video games yaoi2024-05-14T00:26:41Zgelbooru