1girl, animal_ears, arms_behind_head, arms_up, black_buruma, black_thighhighs, blurry, blurry_background, buruma, closed_mouth, cowboy_shot, curren_chan_(umamusume), curtains, day, ear_covers, grey_hair, gym_shirt, gym_uniform, hairband, horse_ears, horse_girl, horse_tail, indoors, looking_at_viewer, one_eye_closed, original_race_uniform_(umamusume), red_eyes, shirt, short_hair, short_sleeves, smile, solo, t-shirt, tail, thighhighs, umamusume, white_shirt, window, yami_anko