Live Again Tomorrow(1970)

Yamada Maki, who has a strained relationship with her father and a protective older brother, Katsuyoshi, faces a series of emotional challenges, including a failed marriage proposal and a complicated romance with her boyfriend, Ishiyama. After a series of events, including a fight with Ishiyama and a revelation about her parentage, Maki chooses to dedicate herself to Katsuyoshi. Their happiness is in danger.