5girls, >_<, ^^^, ^_^, animal_ears, arms_up, bare_shoulders, black_hair, blush, breasts, brown_hair, bucket, closed_eyes, daiwa_scarlet_(umamusume), empty_pool, fuji_kiseki_(umamusume), hair_rings, haru_urara_(umamusume), headband, holding, holding_bucket, holding_hose, horse_ears, horse_girl, horse_tail, hose, indoors, kakuchoshi, long_hair, mayano_top_gun_(umamusume), multiple_girls, one-piece_swimsuit, open_mouth, orange_hair, pink_hair, ponytail, pool, school_swimsuit, school_uniform, shirt, short_sleeves, small_breasts, smile, speech_bubble, squatting, standing, standing_on_one_leg, stiff_tail, sweep_tosho_(umamusume), swimsuit, swimsuit_under_clothes, tail, tracen_school_uniform, tracen_swimsuit, twintails, umamusume, walking, water, white_shirt, window