Sweet Sweat (1964)

This film by Toyoda depicts the hard life of an unmarried mother in Tokyo. Umeko (Machiko Kyo), at 36, is working in a bar, struggling valiantly to keep her family together. Her 17-year-old daughter Takeko becomes increasingly upset by her mother's constant drinking and yakuza boyfriend, and runs away from home. Kyo's performance was highly praised.