Yakuza Zombie opens with an introduction to a mysterious Yakuza graveyard deep in the forest, and a story of the baddest Yakuza of them all, Naruo Ryuuji (shown in cut scenes played by Ozawa Hitoshi).

He also comments on the portrayal of yakuza traditions in Japanese films such as "A Family" (2020), "Battles Without Honor and Humanity" (1973), "Graveyard of Honor" (2002), "Minbo" (1992), and ...