gelbooruhttps://xbooru.com/index.php?page=atom&tags=!!! !? 2010s 2boys almost caught animated skeleton ass bathing bathroom bathtub blue blush blush brother brother and brother brothers bulging eyes cheztnuts closed eyes clothed clothing comic comic page comic panel completely nude door drooling duo edit edited english text fingering fingering self hand behind head holding clothes holding clothing holding object long image male male masturbation male only masturbation moaning monster nude open door papyrus papyrus (undertale) rubbing sans sans (undertale) sequence sequential shocked shouting skeleton solo male speech bubble surprised sweat talking to another text text bubble third-party edit undead undertale undertale (series) walk-in water yelling2024-05-10T18:34:34Zgelbooru