Yn/indigo x Tokyo revengers

The story is about a girl named Indigo and Indigo is actually your name in the story because I really like the name and the name is really pretty. Your ken riugujis sister that he doesn't know about and you don't know about him you're living in Canada your Canadian half Japanese and you moved to Japan because your grandfather is dying and he's the leader of the yakuza and you're the next leader and he wants you to find your brother so he can be second in command of the yakuza because you were born a year before