Xbooru - 2010s 2016 2boys 2d 2d (artwork) animated skeleton bigger male blue hoodie blue jacket blue penis boots brothers closed eyes clothed clothed male clothing drooling duo ectopenis facing another fontcest gloves grabbing clothing grabbing own penis grabbing penis hand on another's head heart high heel boots hoodie incest intimate jacket ladybumtickler larger male male male/male male only monster no sex papyrus papyrus (undertale) papysans penis penis grab penis out red boots red gloves red high heel boots sans sans (undertale) sitting sitting on another sitting on lap size difference skeleton smaller male smiling smiling at another smiling at partner sniggysmut third-party source traditional media (artwork) undead undertale undertale (series) video game character video games white background wholesome yaoi