1girl, alternate_costume, animal_ears, breasts, cleavage, curren_chan_(umamusume), curtains, detached_sleeves, enmaided, gloves, grey_hair, horse_ears, horse_girl, horse_tail, large_breasts, maid, medium_hair, purple_eyes, ribbon, same_kujira_(challenger_310), solo, tail, thighhighs, umamusume, window