Xbooru - 1girl 2020s 2023 2d 2d (artwork) alternate costume anthro anthro only artist name ass bare back black dress blue body blue skin breasts clothed clothed female clothing digital media (artwork) dress ear fins exposed back eye patch eyepatch female anthro female only fins fish fish girl hair head fins hourglass figure looking at viewer looking back looking back at viewer marine monster monster girl non-mammal breasts ponytail purple background rear view red hair red ponytail sharp teeth sideboob simple background slit pupils solo anthro solo female teeth topotopo 0 0 twitter twitter username two-tone background undertale undertale (series) undyne video game character video games white background white border yellow sclera