1girl, alternate_costume, animal_ears, bare_shoulders, bikini, black_hair, blue_eyes, blush, bottle, breasts, cleavage, cowboy_shot, eishin_flash_(umamusume), groin, hand_up, holding, holding_bottle, holding_own_tail, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, medium_hair, mouth_hold, navel, solo, solokitsune, swimsuit, tail, umamusume, visor_cap, water_bottle, whistle, yellow_bikini