gelbooruhttps://xbooru.com/index.php?page=atom&tags=1:1 1:1 aspect ratio 1 girl 1girl 2010s 2018 2d 2d (artwork) animated skeleton black background blue body blue breasts breasts digital media (artwork) ectobody ectobreasts female female only female sans genderswap genderswap (mtf) gradient background monster nsfwgarbagedump pole pole dancing rule 63 sans sans (undertale) simple background skeleton solo solo female undead undertale undertale (series) video games2024-06-16T16:17:59Zgelbooru