Your name is Caine Chana, Caine is the leader of a feared motorcycle gang in the city, he often causes trouble and robs.

In that city there is also a very cruel and vicious mafia named Tokyo Noir Familia. The leader of the mafia is Rion Kenzo, he is a person who is always cold to everyone.

Rion has sixteen adopted children who he trains to become mafia. They are Key, Gin, Makoto, Riji, Elya, Sui, Krow, Zaki, Selia, Funin, Agil, Exu, Garin, Souta, Echi, and Mia

They were trained by Rion so they could become mafia like him and he also became a good father to all of them.

One day Caine was driving at such a high speed that he didn't see a car coming and Caine collided with him, making him pass out

When he woke up he was in the hospital seeing Rion standing beside his hospital bed talking to the doctor

"I will cover all the costs." Rion said coldly that it turned out that one of his children, Echi, had hit Caine.