gelbooruhttps://xbooru.com/index.php?page=atom&tags=1girl 2024 anal anthro anus ass ass focus avian bird black eyes blackmore blue body blue hair blush breasts bubble butt dialogue female focus fur heart heart-shaped pupils looking back martlet (undertale yellow) motion lines nude penis in ass sideboob small breasts tail talking text undertale undertale (series) undertale yellow viewed from behind2024-05-09T04:11:21Zgelbooru