Nakajima returned from injury on February 11, 2008 at Kensuke Office's first anniversary show, defeating fellow Kensuke Sasaki protégé Ryuji Yamaguchi; he would follow this up with victories over two more Kensuke trainees in Kento Miyahara and Takashi Okita on February 16, 2008 and March 9, 2008 respectively, held in the Kensuke Office exercise hall. On March 1, 2008, in a rematch from their October encounter, Nakajima lost to Silver King in a match to decide the vacant junior heavyweight title. Later that month, Nakajima teamed with Ryuji Hijikata to participate in the six-team Junior Tag League, winning the tournament with six points by defeating the teams of Silver King and Shuji Kondo, MAZADA and NOSAWA Rongai, and T28 and KUSHIDA, as well as Kaz Hayashi and El Samurai in the final, who had defeated them in the group stage. On March 28, 2008, Nakajima faced and defeated Osaka Pro and Dragon Gate wrestler Magnitude Kishiwada on Kensuke Office's first event in the Fukuoka region.