Correction: he didn’t go to jail in place of his older brother. It’s his aniki a.k.a a dude of higher position in the gang. This is why he probably has no idea how to contact anyone, even the guy he replaced. They clearly left him some good stuff if he has his apartment and car. Renting an apartment in Japan is a headache if you don’t have a guarantor.
Correction: he didn’t go to jail in place of his older brother. It’s his aniki a.k.a a dude of higher position in the gang. This is why he probably has no idea how to contact anyone, even the guy he replaced. They clearly left him some good stuff if he has his apartment and car. Renting an apartment in Japan is a headache if you don’t have a guarantor.