Kotochitose Kosei (born 22 April 1957 as Minoru Yamamoto) is a former sumo wrestler from Chitose, Hokkaidō, Japan. In July 1971, he made his professional debut and he reached the top division in May 1981. His highest rank was maegashira 5. He retired from active competition in July 1986. He became a wakaimonogashira (assistant) at Sadogatake stable after his retirement.
Source: “Kotochitose Kosei”, English Wikipedia (CC BY-SA 4.0), excerpt
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