Shokuzai no Kyoushitsu / Classroom of Atonement

The story begins with tragic events, in the center of which a girl named Nanase finds herself. Her father, a professor, is suddenly accused of murdering his student, who was his colleague and classmate Nanase.

Natalia decides to fight for her father's honor and innocence, but all her efforts are in vain. As a result, her father is imprisoned, and Natalia is bullied by senior students at the university. They decide to take revenge on her for her persistence and brutally rape her right in the corridor of the educational institution.

Will Nanase be able to regain her reputation and get out of this terrible situation?