a romance drawn under the theme of "As long as human beings have love, as long as they live thoroughly for love, they will never be unhappy."

Haraguchi Motoko works as a temp at a bank. To pay off debt that she inherited from her parents, she also works as a hostess at a club in Ginza. Motoko Haraguchi is finally able to repay the debt. At this time, there's chatter that the temp employees will be laid off at the bank. Motoko Haraguchi decides to carry out a scheme she has prepared secretly. She transfers money from accounts opened illegally to her bank account. Altogether, Motoko Haraguchi embezzles 180 million yen. Using her “Kurokawa no Techo” (Black Leather Notebook) which has a list of the illegally opened accounts, she fights against bank branch managers and opens a club in Ginza.

Ken Utsui plays a surgeon turned mayor

Kitagawa Keiko plays Sasaki Rena, a detective who risks her life investigating detectives for her dead sister. Beautiful, intelligent, and with a great memory, the talented woman judges situations and chooses the most appropriate course of action. Her brutal past surrounding her sister's death inspires her to learn everything she can about detectives, leading her to visit the Suma Research Company. As the sole member of the Anti-Detective Department responsible for investigating and pursuing unethical detectives, she is a solitary lady detective.

Newspaper journalist Shunsuke Akiba is transferred to the cultural desk and put in charge of shogi. He meets Nobushige Sanada, a 33-year-old aiming to be a professional shogi player by achieving the rank of 4-dan or more. Sanada is over the age limit as he could not achieve 4-dan by the age of 26, and is now trying to take an exam for admission to 3-dan. Akiba supports Sanada's attempt to become a professional shogi player and becomes interested in the game.

When Kyoichiro comes home, he hears that his 14-year-old son Kyosuke was stabbed to death. The person who killed Kyosuke turns out to be 13-year-old Mitsuru. The two boys were classmates. Due to Japan's juvenile law, Mitsuru will not receive commensurate punishment for his crime. Kyoichiro points his anger at Mitsuru and his mother Hatsumi, but Kyoichiro sees that Hatsumi also suffers from her son's actions.