Xbooru - 1boy 2010s 2016 2d 2d (artwork) animated skeleton artist name blue blush blue penis blush bondage bottom sans bound arms bound legs bound penis clothed digital media (artwork) dubnyangg ectopenis male male focus male only malesub monster penis pink ribbon ribbon ribbon bondage ribbon in mouth ribbon on penis ribbons sans sans (undertale) skeleton solo solo focus solo male submissive submissive male tied penis tied up uke sans undead undertale undertale (series) video games white background