This drama is adapted from the manga of the same name. It tells the story of a humble college student who enters the underground society of Ikebukuro as a “Tool Dealer” who deals in illegal tools. He lives among extraordinary bad guys such as the yakuza, semi-corrupt groups, and the Chinese Mafia. It is sometimes humorous., a crime suspense story with a new sense of urgency at times.

College student Tamots (Shotaro Mamiya) has been worried about how to repay his 20-year student loan after graduation, and feels desperate for the future.At this time, he was defrauded and saddled with huge debts while trying to get rich overnight.

However, his encounter with prop house Kujo (Tamayama Tetsuji) and forger Murata (Takehara Pistol) became an opportunity for him to join the gang.Originally just an ordinary student, he now has the dual identity of gangster“ prop house”, and his dangerous daily life begins.

Tamots took over the prop shop business from Kujo and soon started taking jobs from Murata.Although he encountered conflicts with dangerous people such as Momose (Taro Suruga) of the Niutou group, he gradually won the trust of his customers with his innate wisdom and courage.

One day, he was invited by Akihiro (Katsuya Mikuma), the boss of the semi-yakuza group “Wabi Moth (Tiger)”, to attend his birthday party. However, for some reason, his classmate Yukako (Mayu Yokota) showed no interest in this event.Interested...

At Akiro's birthday party, his friend Tamots, who was invited to the party, was pestered by a gangster (Kohei Takeda) and ended up ruining the cocaine that Akiro was preparing to entertain the guests.In front of the partygoers, he was ordered to take a large amount of cocaine. What was the secret strategy that Tamoz came up with in a desperate situation...?

After that, under the entrustment of Matsumaru (Yuya Endo), Tamots began to look for Yoshikawa (Sata Uemura), the owner of the vegetable shop who illegally sells drugs on the island...

Noma (Ryutarou Ninomiya), who was in charge of the “Wabi Moth” treasury, was attacked by the mysterious duo Uzuro (Sasa Ichinose) and Meira (Takenoori Goto).According to Kujo, Meliang was once the boss of “Wabi Moth”, but was expelled from the organization due to violent incidents.

Afterwards, when Tamots was spying on Yukako at the university, he saw Mera's figure and followed him with Murata.However, at the end of the trail, they came to a dismantling site, where the painful cry of “Wabi Moth” member Miyake (Matsui Kahunei) came.

Yukako was about to flee to a hiding place for safety, but she was suddenly attacked by Meliang and Uzuro.In order to rescue the kidnapped Yukako, Akihiro broke into the prison alone.

On the other hand, Tatsuya, who listened to Murata's story about the unknown past of Akihiro and Meira, ran between the Gyuzu-gumi and the Jinbokai for help.However, things did not develop as smoothly as he hoped, and Tatsuya and Kengo went to rescue Yukako.Finally, the fierce conflict between Akihiro and Meliang is about to break out——.

Amidst Yukako's heartbroken cries, Meira swung the bat and hit Ahihiro hard.Seiji desperately calls to Meliang, trying to awaken his reason, but can his voice penetrate the madness in Meliang?

At the same time, Wu Lang, who had been watching with cold eyes, finally revealed his evil nature, but at this moment, unexpected reinforcements appeared... When the dispute involving the three major forces in Ikebukuro gradually settled, ChengTwo had to face a major decision about his future destiny.