The debt that her husband made from his friend Sayama secretly to Chihiro. Chihiro was persuaded by her husband to work as a nurse at Sayama Hospital in exchange for repaying her debt. On the day of her duty... Chihiro had been told by Sayama in advance that she was in the urology department, but when she saw a male genitalia other than her husband's, she turned her face away. Chihiro is reprimanded by Sayama for her inappropriate behavior as a nurse. And in the name of getting used to the male genitalia, she says something unexpected by Sayama.
