Presentation of the characters

Y/n Akiyama is one of the youngest investigators at the Tokyo police station with the ambition of locking up all the scoundrels in Japan behind bars who only increase one of the greatest scourges of the country of the rising sun: The Yakuza.

Before being an investigator, she is first and foremost the mother of a young boy named Ryuu, through whom she will meet amazing people who will make her see the world of yakuza from a whole new perspective...

How will the young woman succeed in putting aside her convictions for the well-being of her son...?