A musical episode. Inspired by coupons for a water park that Saki confiscates, the gang decide to shop for swimsuits. Yume buys one for Kana so they could all go together. However, their hopes are dashed when they are reminded by Saki that they have different days off. As a compromise, Yume suggests that they do their work in their swimsuits to keep the spirit. Whilst Kana deals with embarrassment, the others use their assets to gain subscribers. Mika decides to follow suit to catch up with the competition and inspires Kana to conquer her embarrassment. As a thanks for getting many subscribers, Saki finds a garden pool for the girls to swim in.