 Nakamura started his career in entertainment in 2003, joining the talent agency Johnny & Associates under the Johnny's Jr. division.However, through his time in Johnny's Jr., Nakamura realized he had more interest in pursuing a career in acting than in music, despite the passion for dance that motivated him to join the agency.When Watanabe Entertainment's action production group D-Boys announced its first public audition searching for new talents in 2004, Nakamura left Johnny & Associates to try for the new group that conformed more to the career he sought.