gelbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2023 2d 2d (artwork) animated skeleton arms behind back bondage bottom sans bound arms bound wrists completely naked completely nude crying crying with eyes open egg vibrator english text hand hands behind back kneel kneeling monochrome monster naked nude onomatopoeia sans sans (undertale) sex toy skeleton solo focus soul soul sex sweat tears text thought bubble tied arms tied up tired but horny (artist) twitter uke sans undead undertale undertale (series) unseen character vibrator video game character video games2024-06-15T19:06:17Zgelbooru