Xbooru - 1boy 2010s 2016 2d 2d (artwork) animated skeleton black and white blue hoodie blue jacket clothed crossdressing digital media (artwork) ectopenis ectotongue erection erection under clothes erection under skirt hooded jacket hoodie jacket ladybumtickler line art lineart male male only monster panties panties around ankles penis pillow sans sans (undertale) school uniform schoolgirl uniform skeleton sniggysmut socks solo solo male third-party source tongue tongue out tumblr username undead undertale undertale (series) video game character video games white background