4girls, akroglam, aorta_(akroglam), bikini, blonde_hair, blue_eyes, blue_hair, bracelet, casual_one-piece_swimsuit, crossover, dark_skin, denonbu, eno_(akroglam), green_eyes, grey_hair, haijima_ginka, jewelry, legs, long_sleeves, makeup, multiple_girls, nail_polish, natsuharu, ocean, one-piece_swimsuit, open_mouth, outdoors, shirokane_aki, short_hair, smile, surfboard, surfing, swimsuit, toes, waves