Date of Birth: 
About Ōyutaka Masachika
- Oyutaka Masachika (born 29 March 1955 as Eiji Suzuki) is a former sumo wrestler from Horinouchi, Niigata, Japan.
- He made his professional debut in November 1973, and reached the top division in May 1982.
- His highest rank was komusubi.
- He retired in January 1987, and as of 2016 he is an elder in the Japan Sumo Association under the name Arashio.
- He is also the head of the Arashio stable, which he founded in 2002.
- His son fought for the stable under the shikona Chikarayama, retiring in January 2017.
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