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Tenshin Nasukawa is a Japanese professional boxer and mixed martial artist. He is currently signed with Rizin Fighting Federation, where he has competed in kickboxing, mixed martial arts, and boxing. He is the former Rizin K-1 World Grand Prix Champion, Rizin FF Lightweight Champion, and Rizin FF Bantamweight Champion. He is also the former Shoot Boxing World Tournament -57 kg Champion and Shoot Boxing Japan -57 kg Champion.