Yuuko and Yusaku intended to enjoy Sex under the pretense of a contract marriage of one year. However, days that a thing is not enough to Yusaku as for the Yuuko and soaks itself in Masturbation. Stress blows up at last, and call Yuki who took one's Virgin four years ago in Hotel, and be intense, and embrace each other. Yuki seems to want to let Younger Sister find a job in the company of Yusaku, and the Yuuko entreats Yusaku in the disguise of a far-off relative. On the other hand, Yusaku flares up in Hotel of Karuizawa in two people with Taeko under the pretense of a business trip, too….
