Tags: Sumo Wrestler, Wrestler.
Zaōnishiki Toshimasa (born 3 September 1952 as Toshimasa Adachi) is a former sumo wrestler from Yamagata Japan. He made his professional debut in September 1970 and reached the top division in November 1976. His highest rank was maegashira 1. He retired in January 1983 and is currently an elder in the Japan Sumo Association under the name Nishikijima.