1girl, admire_vega_(umamusume), animal_ears, ass_visible_through_thighs, bad_pixiv_id, blue_one-piece_swimsuit, breasts, brown_eyes, brown_hair, competition_school_swimsuit, covered_navel, covered_nipples, ear_covers, feet_out_of_frame, gibun_(sozoshu), hand_on_own_chest, horse_ears, horse_girl, horse_tail, indoors, looking_at_viewer, looking_down, medium_breasts, one-piece_swimsuit, open_mouth, school_swimsuit, shaded_face, short_hair, simple_background, solo, standing, swimsuit, tail, tracen_swimsuit, umamusume, v-shaped_eyebrows, white_background