Yamato Kai

He lives with his brother-in-law, Minato, while playing an active role as a squatter in "B1" where illegal residents in the Akatsuki Special Zone gather . He has few words and looks cold at first glance , but he has a very strong sense of justice, and when he hears a call for help, he immediately pops out. From the past, which was helped by Age during the Akatsuki conflict four years ago, he has longed for "Akatsuki no Hero Age".