Sudden betrayal and tragedy strike. What happens to the daughter who waits for her mother's return? Natsumi Fujimura lives with her stepfather, Seiichi, who is not her real father. After her mother's imprisonment, she became unemployed and had to work part-time to make ends meet, but her stepfather was an alcoholic who spent all of Natsumi's earnings. One day, a debt collector came to her house and demanded her stepfather's debt. It turned out that her stepfather had been working in an illegal casino, hiding Natsumi's money from her and embezzling it. The debt...