safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl animal ears arm behind back black hair box breasts brown footwear door english text full body gift gift box happy valentine heart holding holding gift horse ears horse girl horse tail katsuragi ace (umamusume) knocking long sleeves new (new21u) ponytail purple shirt purple skirt purple thighhighs shirt shoes short hair skirt small breasts solo speech bubble standing star (symbol) tail thigh-highs twitter username umamusume watermark2024-06-19T20:29:41Zsafebooru