Kento (ELLY) has never lost in his hometown.
He comes to Tokyo with big ambitions. But he doesn't make a good living here with only his incomparable wrist strength. So, he lives a decadent life and always gives up halfway through anything.
The barkeeper Nonaka who always takes care of him introduces him to work, but he is fired because of a quarrel during the work.
One day, Kento goes back to his hometown and gets to know that Minami Hosokawa who he dated with during high school is involved in trouble due to her husband's debt issue.
In order to find Hosokawa's husband, Kento comes back to Tokyo and has a fight at the underground bank Nicotine Finance in the black market. It is a bank that is sheltered by the underground organization which is run by Masaki Hotta, the former member of a motorcycle gang...