Tadaomy Ando became a yakuza boss at a young age. Because of his subordinate, he quit the yakuza. Now, he learns from Takashi Konaka the trade of illegal money lending and how to collect debts. Tadaomy Ando decides to become a loan shark. He has customers, but has a hard time collecting debts.

Tukasa works for Tadaomy’s loan shark company. He picks up more female debtors because of his appealing looks. One day, Erina appears in front of Tukasa. Erina used to be an idol and she now sings on the street.

In the past, Tukasa entered numerous fake marriages and divorces to steal money from loan sharks. He has many records of marriage and divorce on his family register. One day, Tukasa ,who is working for loan shark company “Last Finance,” receives a phone call from a loan company. The loan company tells Tukasa that his wife on his family register borrowed money from them and ran away. As her husband, he is now liable for his wife's debt. Tukasa finds himself in a difficult situation. At that time, Tukasa’s boss Tadaomy assigns a new client to Tukasa. Tukasa’s new client is Mitsuo. Mitsuo takes care of jos mother with Alzheimer’s. He works as a contract employee for an air conditioner installer and is experiencing financial difficulties.

When a friend from his yakuza past gets released from prison, a loan shark and his former-male-host sidekick help the ex-con get back on his feet.

Haruo Sugimura is fresh from serving a two-year stint in prison for assaulting someone when he is recruited by a loan shark named Sakai to help collect money for a company called Minami Hachi Ban Kogyo, baesd in Osaka. Their rates are ruthless: 10% interest is added every 10 days. Their customers are desperate: a hostess who owes money to other loan sharks, a man made suicidal because his family don’t love him anymore. Haruo learns about the art of the loan shark as well as the dark side of peoples personalities.

The Japanese political and business world where Chimimoryō is in control. Ginji (Kiyoshi Nakajo), a man who won the fierce competition and built a huge fortune. A new enemy appeared in front of him. Former President of the Liberal Democratic Party, Kawai. He has requested the Japan Horse Racing Promotion Association for 30 billion election funds for the next presidential election. Ginji first brought in a young man named Ryohei, who has an outstanding memory, who remembers all the results of the 10-year race. In order to defeat Kawai, he uses his memory to make a trick.

Tetsuo was suddenly told goodbye by Ginji. As for the farewell, only one of the tables was a real wad of bills and a full trunk. And, in that, there is a letter saying "Replace all this with the real thing!" Tetsuo is at a loss and one day meets Emi who works at the gallery. She endures the gallery owner of an amorous artist and aspires to be a painter. Tetsuo learns from her that a painting of Cezanne with a market value of 600 million yen has been sold to a Japanese person, and contacts the owner, Domon, the president of Teijin Bank. Inspire the desires of collection enthusiasts and imitation art dealers, and come up with a large-scale money game that opens up ambitions!

A man Tetsuo (Kosuke Toyohara) met at a racetrack offered him a job of 100,000 yen per diem, and although he was suspicious, he was urged by the amount of money and decided to take over. What's more, all he has to do is carry a huge cardboard box to the man's apartment. The contents of the cardboard are 1 billion yen in cash. It is said that this will be used to make a back loan. In front of the apartment, men line up for the money. Who on earth is Ginji Hirai and what is his motive? And what kind of fate will Tetsuo be involved in from now on ...?

Sawamura, a contract part-timer dragged into a multi-million yen internet business, and Kamo, an office worker who lavished money on a beautiful club hostess, arrive at Cowcow Finance, the office of black-market lender Ushijima.

Shoji, who moved to Tokyo from Tohoku, meets Daisuke by chance and hits it off. Hoping to make quick money, the two join forces with the yakuza and start a loan shark business, lending money at exorbitant interest rates. Shoji is strong-willed and ruthlessly collects from debtors, while Daisuke is timid and unable to be completely ruthless. Despite their polar opposite personalities, the two get along surprisingly well, and their loan shark business is going smoothly. One day, Shoji is approached by Narimatsu, the boss of a gang, who is like a leader to him, to join the yakuza. Meanwhile, Daisuke discovers that his girlfriend Maika is in debt. With the money from Narimatsu's gang, Daisuke and Maika disappear.

A classmate from Ushijima's middle school days, Takemoto, shows up. He was a kind man, but now is jobless and without a home. Adrift and unable to borrow money from Ushijima, Takemoto heads for Seiai Home where he can stay while doing work.

A financial drama starring Yuka Ogura, who is widely active in gravure, models, and actresses. One day, Yuna, a bank clerk who lives a boring day, is asked by her sister to become a guarantor for her daughter's child support borrowing. Yuna responds for her sister's family, but it goes crazy for her life.