Hinami, who lost her husband and lives a painful life with her son, is asked for her body instead of living assistance by her husband's brother, and is also violated by his son Kosuke. A few years later, she remarried and became the president of PTA, but she found out that Kosuke was enrolled at the school her son was enrolled in. Hinami tries to get rid of Kousuke, but instead she falls into the student council's cunning trap...
