Ishihara is a female teacher who teaches in a rural school in Japan. Her life with her family was peaceful when suddenly one day two gangsters came to the house. When asked, she found out that her younger brother had to borrow a large amount of money because of his greedy behavior, and now they came to her house to collect the debt. Not having enough money to pay the debt, they started beating her skinny younger brother. Seeing that scene, she couldn't hold back and thought of a way to save her poor brother, which was to use her body to pay off the debt. . Fortunately, both of those guys were greedy people, they accepted the offer and spared their younger brother. In difficult situations, we must brave everything to save our loved ones and the people we love the most - that is her thoughts.