Yakuza Codex -

The core philosophy of the Yakuza is Ninkyō (Chivalry). While modern interpretations vary, the traditional code demands:

Many groups officially post their ethical rules in their offices, which typically forbid: Using or selling drugs. Theft or petty robbery. Mugging or "purse snatching." Indecent acts (sexual assault). Any behavior that would bring "shame" to the organization. The Oyabun-Kobun Structure yakuza codex

The Yakuza codex is violent, patriarchal, and ruthless. It demands self-mutilation for failure. It traps young men into debt and death. The core philosophy of the Yakuza is Ninkyō (Chivalry)