 Complete the following phrase:  In 1951, Shindo made his debut as a director with the autobiographical Story of a Beloved Wife, starring Nobuko Otowa in the role of his deceased common-law wife Takako Kuji. Otowa became Shindos mistress he was married to his second wife at the time, and would go on to play leading roles in almost all of his films during her life. After directing Avalanche in 1952, Shindo was invited by the Japan Teachers Union to make a film about the dropping of the atomic bomb on Hiroshima. Children of Hiroshima stars Nobuko Otowa as a young teacher who returns to Hiroshima to visit her familys grave and find surviving former students and colleagues. It premiered at the 