Female Prisoner Executioner Maria

Kuroi Misa, a girl with Satanic powers, mysteriously appears in various high schools. Carrying a dagger and a heavy leather bag, she uses her powers to eliminate the evil forces that thrive on deadly sins of the human race. Her ultimate aim is to cleanse the earth and rebuild her broken family.

In this first installment of the series - we are introduced to Keisuke: mild mannered school-teacher by day - avenging angel of rape by night - and his goofy Uncle, who together run Rapeman Services. Their "services" are called-upon by a nightclub owner who tells a sob story about having her boyfriend, a current political candidate, stolen by his secretary, and asks Rapeman to "take care of her" as an act of revenge. This is done per the nightclub owner's request - but we soon find that the story was just a cover to cause a bigger scandal that involves rival a seedy rival politician and the Yakuza...

Maria is prisoner No. 206, serving a life sentence for murder. But she goes out from the prison as a hitwoman, because the government secretly uses her special skills to assassinate criminals that are beyond the reach of the law. Her next target is a man called Michael, who has been murdering Japanese women. He is the son of an ambassador...

After a tragic accident, Keisuke, mild-mannered teacher by day and rapist vigilante by night, and his Uncle Shotoku discover a conspiracy within a Tokyo hospital to sell children's organs to the Hong Kong mafia. Keisuke must use his expertise to unravel the corruption and right wrongs through penetration!