1girl, alternate_costume, animal_ears, blush, bob_cut, breasts, collarbone, eishin_flash_(umamusume), greyscale, hair_between_eyes, hair_ornament, holding_hands, horse_ears, horse_girl, isshii13, large_breasts, medium_hair, monochrome, open_mouth, pool, pov, pov_hands, school_swimsuit, swept_bangs, swimsuit, umamusume, water, wet