my daughter's friend, mochida natsuki.

Living in the same apartment building, 'Abe family' and 'Mochida family' had a relationship with their family. One day, a graduation party between his daughter Momoko and Natsuki will be held at the Abe family. That night, when it was supposed to be an unforgettable day surrounded by my best friend and family, Natsuki was killed by Momoko's father, Koji. Nine years later, Natsuki went to Tokyo and married. However, when her husband transferred to work, Natsuki returned to his parents' house again. Reunion with Momoko ... and reunion of tragedy with Koji. the nightmare that was sealed back...