1girl, d, animal_ears, ass_visible_through_thighs, bad_pixiv_id, ball, blue_flower, blue_one-piece_swimsuit, blue_rose, blush, breasts, brown_hair, flower, hair_ornament, horse_ears, horse_girl, long_hair, looking_at_viewer, lying_on_water, mutenka_(plfgb), one-piece_swimsuit, rose, satono_diamond_(umamusume), school_swimsuit, smile, solo, swimsuit, tracen_swimsuit, umamusume, water, wet, yellow_eyes