Issei loves Nanako. But she marries his brother, Eiichi, after graduating high school. But a few years later, Eiichi suddenly passes away.... And this spring, he starts to live at her house to join a preparatory school for university entrance exams. Later on, Yuka and Chigusa, Nanakos sisters, start to live there as well....
Sakagamis life was going downhill, especially his love life. Until the day he gained the ability to transform himself...into anything he can imagine. He decided to take this chance and fix everything that was wrong with his life...