Nureta aijô: Fushidara ni atatamete.

Itsuka is a young girl who dropped out of high school due to bad behavior and is now working as a prostitute. After breaking up with her boyfriend, she loses her purpose in life and becomes desperate. Then she meets a married couple who are former teachers, and she is forced to face her studies head on. And she is forced to face not only schoolwork but also life lessons.