[6][7] On 2 December 2018, during the Osaka derby, Nakajima scored and assisted in a 2-0 win.
[14] Nakajima won the 2022 MVP of the Year award, as chosen by the supporters.
[15] Nakajima won the May 2024 Meiji Yasuda J2 League MVP award.
[16] In February 2017, Nakajima was selected for the Japan U18s tour of Spain.
[17] Nakajima can play as a midfielder or forward, and has been praised for being able to strike a free kick with either foot well.