友綱部屋
Kaiki Nobuhide (born 12 June 1952 as Masaaki Nishino) is a former sumo wrestler from Tenmabayashi, Aomori, Japan. He made his professional debut in 1965, and was promoted to the top "makuuchi" division in 1975. He earned three gold stars for defeating "yokozuna" and one special prize. His highest rank was "sekiwake," which he reached in July 1979. He retired in 1987 and was the head coach of the Tomozuna stable from 1989 until 2017, training "ōzeki" Kaiō among others. He was also a Director of the Japan Sumo Association. In 2017 he was re-hired by the Sumo Association as a consultant after retiring as head coach.