Xbooru - 1boy 2010s 2016 2d 2d (artwork) animated skeleton biting clothes biting shirt blue hoodie blue jacket bottom sans digital media (artwork) ecto-tiddy english text fangs grabbing sheets gripping sheets hand towards viewer hooded jacket hoodie inviting jacket lying on back male male only malesub monster on back reaching out reaching towards viewer sans sans (undertale) shirt up skeleton solo solo male submissive submissive male sweat text uke sans undead undertale undertale (series) video games