Kingdom of Z manga volume 4 features story by Saizou Harawata and art by Lon Watanuki.

As Miki and the others seek out strong zombies to strengthen their country’s power, their sights are set on the master of martial arts—Takeda Garou! This fierce fighter awaits them in the very ring where he spent his last human moments. The risks are high, but luckily Miki and the others have acquired a secret weapon in their newfound friend, Ritsuka. Have the tables turned in their favor thanks to this young girl and her shocking ability to command zombies?!