The legendary yakuza ‘Oni no Tora Seiji’, who sent shockwaves through the underworld nationwide, is said to have a tattoo of a golden Chinese lion and peony on his back. Heitaro Bonno, the boss of the Ordinary Folks Gang, had managed to conceal the fact that he was a yakuza from his daughter, Niko, for 18 years. However, the unsuspecting Niko falls in love with Tsuyoshi, the second-generation head of the Arakai-gumi. Hiranoya panics, desperate to prevent their relationship from blossoming. But just then, the Himuro-gumi of the Kobe Sannō-kai launches an attack on his territory. As the conflict escalates, the Himuro-gumi finally kidnaps Niko! Enraged, Hiranoya’s hidden tattoo emerges on his back…!!