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After retirement, Hayano started coaching career at Nissan Motors (later Yokohama F. Marinos). He managed youth team and Nissan FC Ladies until 1991. In 1992, he became assistant coach for top team. In June 1995, he was promoted to manager to replace Jorge Solari for health reasons. He led the club to won the champions. He managed until 1996. After that, he managed Gamba Osaka (1999-2001), Kashiwa Reysol (2004-2005) and Yokohama F. Marinos (2006).