The female student Rin had been living an irresponsible life and was known as a delinquent. However, seeing her classmates start to study hard for the future and understanding her parents' worries, she decided to reform. Being naturally kind and honest, she now has a quiet, serious boyfriend, and though she's not an honor student, she lives a peaceful daily life. One day, some bad men who had previously been intimate with Rin visited her home…
