When the Runaways eliminate the Pride from Los Angeles, it leaves a vacuum of power in the city's underworld, and soon Nico, Karolina, Gert, Chase, and Molly are on the run again to uncover the truth behind their parents' past before it catches up to them.

"When the Enma Syndicate's chairman dies, Japan's supernatural underworld is turned on its head, leaving gangs of ayashimon poised on the brink of war. Urara, the late chairman's daughter, has plans to come out on top, and she's found an unlikely ally to help make it happen--Maruo, a human who dreams of being a manga hero. Maruo always wanted to be like the characters in his favorite manga. Unfortunately, his training efforts have paid off a little...