Aria, a grandson who came to visit during the summer vacation. Nothing has changed in the person himself, but the body ... In particular, her breasts were growing magnificently. Aria, who is unaware of her own body, is always defenseless and treats me with the same sense of distance as a child and an adult. - I finally reached the limit of my patience with the big that could be touched immediately. Aria Oshima's exclusive second installment is a 'good-looking' drama work that depicts a forbidden relationship!