Spider-Man: Octopus Girl  

スパイダーマン：オクトパスガール

In Japan, Spider-Man's greatest foe, Doctor Octopus, must confront his toughest obstacle yet - living as a middle school student! Following their confrontation, Doc Ock collapses into a coma and awakens in Otoha Okutamiya's body, a middle school girl in Tokyo. This marks the start of an unusual school experience for the notorious villain.