In 2021 season, he played in the Western League of NPB's minor leagues and informal matches against Shikoku Island League Plus's teams and amateur baseball teams.
On November 10, 2022, the Hawks re-signed Nakamura as a developmental player at an estimated salary of 6.5 million yen, which is the same as his current salary.[5] On November 27, he changed his uniform number from 60 to 137 beginning with the 2023 season, it was announced.[6] July 24, he will change his uniform number from 137 to 20, it was announced.
^In the NPB, in addition to the 70 registered players under management (active roster of players), each team can have developmental squad players for the purpose of improving their baseball skills and training manners. They aim to be promoted to registered players under management within the 3-year contract period (non-tender FA players and contract expired players renew their contract every year).