■Yoshiko Nakamori, the deceased sister-in-law

Nakamori and his wife have been married for five years. His husband, Teijo, was a mediocre company worker and his wife, Ayako, lived a quiet but happy life with a housewife. one day, a man suddenly appeared... It was his younger brother, Ryoichi. Yoshikazu, who inherits his legacy and lives without any difficulty with his older brother and wife, kills a lion while the heir is sleeping. A ladder falling into tears while taking a shower. After this, there was a further tragedy for the Nakamori couple.