Xbooru - 2d 2d (artwork) animated skeleton ass blue blush blue eyes blush bottom sans butt crying crying with eyes open digital media (artwork) ectobody ectobutt feet out of frame fucken-crybaby (artist) fucken crybaby (artist) monochrome partially colored penetration sans sans (undertale) skeleton tears tentacle tentacle around leg tentacle in mouth tentacle rape tentacle sex tentacles around legs uke sans undead undertale undertale (series) video games