Younger Sister (1974)
Original title: 妹
Younger Sister is a 1974 Japanese-language romance movie directed by Toshiya Fujita, with a running time of 1h 32m. It stars Kumiko Akiyoshi, Ryūzō Hayashi and Hideko Yoshida.
Akio's sister, Neri has separated from her boyfriend. They lived in Kamakura. She moves in with her brother. Her ex-boyfriend's sister, Eiko comes to see Neri. She wonders if the separation occurred due to her because the three of them used to live together. Eiko's brother has disappeared in the meantime.