Boy’s yearning beautiful woman insurance doctor, eldest daughter Noemi. Bikini models who pose for cheesecake photo collections of popularity, second daughter Yurine. Sexy Miss of the campus and cool beauty, third daughter Mio. Glasses group small breasts is a justice, fourth daughter and Naru. The protagonist Hayasaki Ryoushirou with such four elder sisters, soccer player of top class been chosen also by international youth Japanese representative before. However, the foot is greatly injured in the middle of a certain game, to rehabilitation at home. It is welcomed to elder sisters who became remote, though it tries to undergo medical treatment slowly, elder sisters are made to change suddenly because of club activities companion’s teasing. Actually, elder sisters to Ryoushirou, it had feelings more than younger brother! In that, especially Yurine and Mio with a strong desire, to an unexpected action!? Triggered by rehabilitation, the erotic temptation battle for Ryoushirou by elder sisters starts now!