Chiyotairyū Hidemasa is a former Japanese professional sumo wrestler from Tokyo. A former amateur champion at university, he made his professional debut in May 2011, as a makushita tsukedashi recruit and reached the top division in May 2012. He earned his first gold star or kinboshi by defeating yokozuna Harumafuji in the March 2013 tournament. His highest rank was komusubi. He had one special prize, for Technique. He wrestled for Kokonoe stable.

Harumafuji Kōhei , previously known as Ama Kōhei , is a Mongolian former professional sumo wrestler. He was the sport's 70th yokozuna from 2012 to 2017, making him the third Mongolian and fifth overall non-Japanese wrestler to attain sumo's highest rank.