Watch Heaven and Hell: Soul Exchange

Ayako is a gung-ho young detective in the Tokyo Metropolitan Police Department's violent crimes unit who's eager to make her name. One day she gets her big break: the chance to arrest a murder suspect single-handed. But before she can slap on the cuffs their souls are switched! She finds herself in the body of Haruto, a brilliant and successful young entrepreneur with his own startup who's secretly a psychopathic serial killer