Xbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2d alternate version available anal animated skeleton blue background blue blush blue eye blue jacket blue penis blush bone bottom sans clothed digital media (artwork) ectopenis ectoplasm erection genitals humanoid jacket legs apart legs spread lying on back male male only monster monster boy naxlevelnat object insertion on back pants around ankles pants down penis sans sans (undertale) simple background skeleton solo male uke sans undead undertale undertale (series)2024-10-19T07:26:10ZXbooru