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Koyo Ozaki
Identity: one of the top five executives in Port Mafia
Background: He is 26 years old. He is one of the top five executives of the port mafia and is in charge of torture of mafia prisoners. A beautiful woman dressed in kimono and with an antique accent. He is also a teacher of former Port Mafia assassin Kyoka Izumi and one of the five current executives, Chuya Nakahara. It is characterized by loving Kyoka close to obsession.