gelbooruhttps://xbooru.com/index.php?page=atom&tags=animated skeleton blue blush blush bottom sans bottomless drooling grabbing sheets gripping sheets heart-shaped pupils heart eyes lying on back male only monster on back sans sans (undertale) shirt only shirt up skeleton solo soul submissive text topwear topwear only uke sans undead undertale undertale (series)2024-05-10T07:51:11Zgelbooru