At school he attended local sumo clubs and took part in national competitions, but had no desire to take up sumo as a profession, instead wanting to go to sea and taking examinations to become a licensed mariner. However, he ended up dropping out of high school and was introduced by an acquaintance to Hakkaku-oyakata, the 61st yokozunaHokutoumi, who persuaded him to join his Hakkaku stable. Okinoumi is known for his good looks. His stablemaster joked at a press conference after Okinoumi's promotion to jūryō that this made him envious.
Career
He began his professional career in January 2005, fighting under his family name of Fukuoka. He was promoted to the second highest jūryō division after taking the yūshō or tournament championship in the makushita division in January 2009 with a perfect 7–0 record. He changed his shikona to Okinoumi, a reference to his birthplace of Okinoshima which had been suggested by his father. He became the first sekitori from the Oki Islands since 1960. Troubled by a shoulder injury, he was demoted from jūryō after two losing records, but after reverting to the name Fukuoka he won immediate promotion back to jūryō in July 2009. Fighting as Okinoumi once again, in January 2010 he won promotion to the top makuuchi division, becoming the first wrestler from Shimane Prefecture to do so in 88 years. He came through with a kachi-koshi or winning record in his debut makuuchi tournament in March, winning his last three bouts to score 8–7. This saw him promoted to maegashira 10 for May. He was suspended from the July 2010 tournament, along with several other wrestlers, after admitting involvement in illegal gambling on baseball. As a result, he dropped back to jūryō for September. Ranked at jūryō 8, a 10–5 record was enough to return him to the top division for the November tournament, where he secured his majority of wins on the final day. His best performance to date came in the January 2011 tournament where he finished runner-up to yokozunaHakuhō and received his first sanshō award, for Fighting Spirit. This saw him promoted to a new highest rank of maegashira 4 for the May 2011 "technical examination tournament." There he fought all the top-ranked men for the first time and defeated three ōzeki: Kaiō, Harumafuji and Kotoōshū. He lost his last two bouts, to komusubiKakuryū and Toyonoshima, to fall to a make-koshi 7–8 but remained at the same rank for the next tournament. Securing his majority of wins on the final day of the July tournament, he reached a new highest rank of maegashira 1 in September. He achieved his first gold star win against Harumafuji in November 2012, and his second Fighting Spirit award at maegashira 7 in March 2013. He managed two non-consecutive komusubi appearances in 2013, but he slid down the rankings after four consecutive losing tournaments in the following year. Following the January tournament in 2015 he was promoted to sekiwake from the relatively low rank of maegashira 6, benefiting from the failure of most of those ranked directly above him to get winning records. He was injured in his sekiwake debut and had to withdraw from the tournament. Nine win in May and eleven in July saw him promoted to the san'yaku ranks for the fourth time. He was unable to hold the rank, scoring 6–9, and he also had a losing record in his fourth attempt at komusubi in May 2016. He picked up a kinboshi from maegashira 2 in July 2016, and had a very successful start to the September tournament, defeating ōzekiKisenosato on opening day, Kakuryū on Day 2 and Harumafuji on Day 3. By the sixth day he had defeated two yokozuna and three ozeki and was the undefeated tournament co-leader. However he began losing in the second week of the tournament and finished on 9–6. He was rewarded for this efforts with his first Outstanding Performance Prize, and promotion back to sekiwake. The November 2016 tournament did not go well for Okinoumi who had a lingering injury that had caused him to miss the autumn tour. He ended the tournament with only a 5–10 record and fell back to the maegashira ranks. In the November 2017 tournament Okinoumi was a runner-up to Hakuhō with an 11–4 record, and was awarded his third Fighting Spirit prize, shared with Aminishiki. He is the owner of the Kimigahama toshiyori kabu or elder stock, indicating he intends to stay in sumo as a coach upon his retirement.
Fighting style
Okinoumi is a yotsu-sumo fighter, preferring grappling techniques to pushing or thrusting. His most common winning kimarite is yori-kiri or force out, and he favours a migi-yotsu grip on the mawashi, with his left hand outside and right hand inside his opponent's arms. He also regularly uses uwatenage, or overarm throw.
