TakakuraTakeshi it serves as the management section head of a major building company, in subordinate man Katsuragi Keiichi who manages married life. Though the face of the surface to devote one's time to work every day is shown, it womanized back and as much as one likes were lived.

A certain day, the work of biggish little turns out well, Takeshi that takes Keiichi and does small party only of two people. When you carry Keiichi who gets dead drunk weakly to sake home, it is a ex subordinate of Takeshi that met, with Katsuragi Yukina who is Keiichi's bride now and Keiichi's younger sister Katsuragi Mako.

With Yukina that became sexy while it doesn't see a little, Takeshi that marks down intellectual, bright, lovely Mako. The woman who had done sex friend until recently has inadvertently taken side with Master's transfer, it might be just nice. "Keiichi must not be noticed, I want to see the appearance to violate two people with my hand and to writhe to pleasure." The distorted passion stays in the heart. Takeshi thinks about the plan for two, the face to which Yukina and Mako pant is imagined, the smile to which the alone warps is expressed...