Maison de perve 201 - Misaki Horikawa [A story about a pubescent JK whose sexual proclivities were awakened as a result of telling herself that she was being abused as a form of training...]

Hentai protagonist Misaki Horikawa attends a prestigious brass band academy. However, at the academy, she is constantly bullied... and sexual abuse by the senior members of the brass band. The sexual abuse does not mean that the seniors do anything directly to her, but they force her to have sex with Yuta Yamada, her quiet classmate and member of the brass club. To further humiliate Misaki they record the sex on her phone.

One night in the park, Misaki and Yuta decide to discuss a way out of the situation.

They decide to take revenge...