One day in the sweltering heat of summer, my husband brought Kiyoshi, a local junior, home. She had just moved to Tokyo from the countryside and didn't have a place to live yet, so I decided to take care of her at her home for a few days. At first, Natsuo can't hide her anxiety due to her clumsy and scary appearance, but as she lives with her, she learns that she is a pure and kind-hearted young man. On the other hand, Kiyoshi also begins to have special feelings while spending time with his girlfriend Natsuo, who exudes a gentle and bewitching sex appeal, and is unable to contain her overflowing feelings...