Mugi's life has changed in ways he never could have imagined. A high schoolkid, Mugi now lives with Yuu, the girl of his dreams. It almost seems toogood to be true . . . Then Yuu's mother shows up unexpectedly. At first itseems like just a normal visit, but when Yuu and her little sister,Tsukasa, fall asleep, their mother tells Mugi a secret that may mean thegirls will have to leave him. For Mugi, losing Yuu and Tsukasa means apainful return to a life of solitude. No more eating together like a happyfamily, no more walks home from school together. How will poor Mugi survivewithout Yuu-chan?