gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2d 2d (artwork) animated skeleton blue blush blush bottom sans catyuffie clothed crossdressing digital media (artwork) english text humiliation male male focus monster omorashi panties pee peeing self phone piss sans sans (undertale) skeleton skirt skirt lift solo focus taking picture text topless topless male tumblr username uke sans undead undertale undertale (series) urinating urination video games white background2024-05-15T07:52:06Zgelbooru