[3] Competing at 61 kilograms, Nakamura became the 2017 U23 World Champion during his wrestling career, before retiring at age 25 to pursue mixed martial arts.
[6][7] A multiple-time Japanese National medalist at two different weight classes, his most remarkable achievement of his career came at the 2017 U23 World Championships, where he became the champion at 61 kilograms.
[8] After the delay of the 2020 Summer Olympics due to the COVID-19 pandemic, Nakamura announced his retirement from wrestling in order to pursue a career in mixed martial arts.
[4] Nakamura made his professional debut against Takumi Arai in a mixed martial arts reality show Fighting Dreamers on 15 May 2021.
[11] On April 24, 2022, he fought against Aliandro Caetano in POUNDSTORM, and although he was punched in round 1 and cut his right eyelid leading to intense bleeding, he utilised his takedown advantage and won the 3–0 decision.
[12] Nakamura faced Gugun Gusman in the Quarter-Finals of the Bantamweight tournament on June 9, 2022, in Road to UFC Season 1: Episode 3.