1girl, animal_ears, barefoot, blue_eyes, blush, brown_hair, collarbone, horse_ears, horse_girl, horse_tail, looking_at_viewer, midriff_peek, narita_taishin_(umamusume), navel, ocean, outdoors, partially_submerged, pleated_skirt, puffy_sleeves, purple_shirt, school_uniform, serafuku, shirt, short_hair, short_sleeves, skirt, solo, solokitsune, tail, tracen_school_uniform, umamusume, water, wet, white_skirt