Xbooru - 2020s 2022 2boys 2d 2d (artwork) animated skeleton artist name beetleevil blue blush blue hoodie blue jacket blush blushing male bottom sans brother brother/brother brother and brother brothers clothed clothing covering mouth covering own mouth crying digital media (artwork) drooling duo ectopenis english text evilbeetle eye fucking eye penetration fellatio fontcest genitals gloves heart-shaped pupils heart eyes holding hands hooded jacket hoodie incest jacket male male/male male only monster multiple views oral orange blush orange penis papyrus papyrus (undertale) papysans penis penis in eye penis in mouth penis through clothing red gloves sans sans (undertale) seme papyrus sex simple background skeleton skull fucking soul soul sex sucking penis tears text top papyrus uke sans undead undertale undertale (series) video game character video games yaoi