Ryuolivier Iwamoto

Iwamoto joined Kyoto Sanga's U15 team, and won the top scorer award at the 2010 U-15 All Japan Youth Championship. After joined Kyoto Sanga U18s, he decided to move to Kagoshima Jōsei High School, where he was scouted by Júbilo Iwata. During his time with Kyoto Sanga, he honed his footwork skills. He joined Júbilo Iwata on 20 October 2014, joining the team from the 2015 season. Iwamoto moved into the Júbilo Iwata dormitory, bringing along a picture of himself with Japan international Atsushi Yanagisawa. Iwamoto was loaned out to JFL side Vanraure Hachinohe on 2 September 2016. He was loaned out to Gainare Tottori on 5 January 2017 on a development-type loan. He played 24 league matches and scored 3 goals during his time at Gainare Tottori. Although there was speculation he would be loaned out again in the 2018 season, Iwamoto decided to retire at the end of the 2017 season.

Updated to 23 February 2017.

Iwamoto's father was a doctor who worked for Doctors Without Borders, and his mother was a member of the Japan Overseas Cooperation Volunteers. His mother chose the name "Olivier" from the name Olive, the symbolic tree of the United Nations, and added the name Haya to ensure that "he would become a gentle wind of peace that would blow through the world".