Makiko of the university student and half Younger Sister, Yumi. The Yumi to live for wildly often gave Makiko a financial trouble. One day Makiko who unusually got dead drunken was embraced by Yukio who had you send it. Thereafter the relations of two people continued, but the Yumi was connected with Yukio, too. Cruel revenge of the Yumi which was the child of the mistress is beginning Marumaru
