Wana: Hakudaku Mamire no Houkago

After the sudden and mysterious death of his brother, Raika decides to enroll in his academy in order to understand the circumstances of his death and find out the truth. Since the school he attended is exclusively male, Raika is forced to pretend to be a guy. During her investigation, she discovers that there is a dangerous group of rapists at the academy, which becomes more active after graduation. Raika finds out that her brother was one of the members of this group.

Trying to justify his actions and not believing that he could become such a person, she penetrates into the very heart of the depraved gang. However, she is soon exposed...