Takuto Anzai

Kyoko met Tetsu during her trip to San Francisco. Soon they fell in love but getting married was not in his mind. They were to meet again back in Tokyo but Tetsu didn't turn up. She went to look for him in San Francisco but all she found was him with his new girlfriend. Kyoko went back to Tokyo and eventually married a big corporate CEO.

Masao is falsely accused and jailed for the murder of a loanshark to whom he owed a lot of money. His sister Kiriko makes the long trip to Tokyo, specifically to accost Otsuka, Japan's top criminal defence lawyer, and plead with him to take her brother's case. They live in Kitakyushu which, though a city, she contends that the local lawyers are not up to the job. Otsuka contemptuously brushes her off. A year passes. Masao has suicided in jail, his appeal having failed due to the lack of interest and competence of the local defence lawyer. Kiriko returns to Tokyo, planning revenge on Otsuka for refusing the case and causing her brother's death.

Komori Chiaki is a budding tennis student. However, one day while training, her coach hits a ball into her eye on accident. At the hospital, the news that she will never regain the sight in her eye leaves her heartbroken. As a last resort, she undergoes a costly surgery from the mysterious doctor known as Black Jack, where after a successful operation, a mysterious figure starts to emerge in her vision, and only she can see it.