Xbooru - !! 2010s 2017 animated skeleton artist signature blue blush blue tongue blush bottom sans bottomless crying ectopenis ectoplasm fontcest immolationyyx incest male male focus male out of frame male penetrating monster non-con non-consensual noncon nonconsensual orange penis papyrus papyrus (undertale) papysans penetration penis pixiv id 9733540 pleading sans sans (undertale) seme papyrus sex shirt only shirt up skeleton solo focus sweat tears text text bubble tongue top papyrus trembling uke sans undead undertale undertale (series) unseen male unseen male face veiny penis white background