gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2010s 2018 2d 2d (artwork) animated skeleton back view bondage bottom sans bound arms bound hands bound legs bound wrists completely nude digital media (artwork) legs apart legs spread male male only malesub monster nsfwgarbagedump nude nude male pixiv id 36285069 rope rope bondage sans sans (undertale) skeleton solo spread legs submissive submissive male sweat tied arms tied hands tied legs tied up uke sans undead undertale undertale (series) video game character video games white background2024-05-10T04:43:26Zgelbooru