Most famous for his membership in the Japanese pop group Hey! Say! JUMP, Nakajima also had an acting career, appearing in a 2005 Nippon TV series titled Nobuta Wo Produce.
In 2004, when he was just eleven years old, he signed with the Johnny's Jr. division of the Johnny and Associates talent agency.
He appeared in professional stage productions of Dream Boys and Takizawa Enbujo.
He grew up in Tokyo, Japan with a younger sibling named Raiya Nakajima.
He and his Hey! Say! JUMP bandmate Yamada Ryosuke appeared together in Japanese television shows titled Sensei Wa Erai and Perfect Son.