Invisible Man: Penetration Feast Nakaza

Synopsis

Hirumadar Chuzo, a chemistry teacher at the prestigious Seiumisawa Academy, had been secretly researching a drug to become invisible. However, his private research using school equipment is discovered, and his history of sexual harassment becomes a problem, resulting in his termination. When Hirumadar returns to collect his belongings, he drinks the newly completed drug and becomes invisible, taking up residence in the academy. Seeing this as an opportunity for revenge against the school and the female students who mocked him, he begins to fulfill his desires through shameful acts, taking advantage of his invisibility.