Masanoshin Aizawa

相沢 正之進

He's Kusaka's comrade. Being hostile and quick-tempered, he gets easily agitated and so, attacks. [Spoiler] Aizawa loses his wife in a raid one night and so bear a grudge to Akizuki's clan. He also finds out Kusaka's secret and decides to destroy both Akizuki and traitor, Kusaka. [/Spoiler]