It's already been five years since my mother passed away and we became a single-parent household. Naoki has been living together with his father, doing housework in between his school days. One day, when Naoki comes home, he finds a gorgeous home-cooked meal and a young woman... She had heard that her boyfriend, Mika, used to be her father's secretary. ``Dad, I've decided to remarry Mika-san.'' A young beauty suddenly became her stepmother. ...Naoki is Mika