amagami, nanasaki ai, tsukahara hibiki, murasaki iro, 2girls, bare back, bare shoulders, black hair, blush, broom, brown eyes, clavicle, cleaning, competition swimsuit, cowboy shot, embarrassed, looking at viewer, multiple girls, murasakiiro, one-piece swimsuit, ponytail, pool, see-through, shirt, short hair, short sleeves, standing, sweatdrop, swimsuit, swimsuit under clothes, tied hair, wavy mouth, white shirt