Yazawa Koushou is the leader of the Minami Group in the Manji Empire. The Minami Group along with Nakamori Shouji's Kawauchi Group were the first two sent out after the Ikeshima Group was defeated by the Front of Armament and E.M.O.D. Yazawa has a run in with Sera Naoki, and Sera is ganged up on and beaten. Abo later sought revenge for Sera and defeats Yazawa.
Yazawa is an old friend of Hama Toshio from the Enomoto group.