1girl, animal_ears, backless_dress, backless_outfit, braid, brown_eyes, brown_hair, butt_crack, character_name, dated, dress, eyebrows_hidden_by_hair, from_behind, green_dress, hair_between_eyes, hands_up, horse_ears, horse_girl, horse_tail, interlocked_fingers, long_hair, mejiro_bright_(umamusume), own_hands_together, parted_lips, smile, solo, sunagami13, tail, tail_through_clothes, twin_braids, umamusume, very_long_hair