On March 26, 2012, Sakamoto made his WWE on screen debut in a vignette for upcoming WWE superstar Lord Tensai. He made his television debut on the April 2, 2012 edition of WWE Raw as the manager, servant and attendant of Tensai in his match against Alex Riley. For several weeks Sakamoto would refuse interviews with Tensai until April 16, when Tensai would talk about himself. On the April 16 episode of Raw, Sakamoto would interfere in the main event leading to Lord Tensai's defeat of John Cena. After being left of all WWE programming for some time, on the April 30 edition of Raw, as Laurinaitis was about to reveal Cena's opponent for Over the Limit, Lord Tensai's music hit and Cena would find himself surrounded by both Tensai and Sakamoto. Laurinaitis would then ambush Cena from behind and both Sakamoto and Tensai followed up with shots of their own on Cena as Laurinaitis revealed that he would be the man who faces Cena at WWE Over the Limit. Sakamoto and Tensai would then hold Cena's arm across the ring steps with Laurinaitis stomping on it and slamming a steel chair on the exposed limb. In May, Lord Tensai modified his name to simply Tensai and became much more aggressive, even abusing Sakamoto. After taking his first loss against John Cena on the June 4 edition of Raw and then losing to Sheamus on the June 12 episode, he brutally attacked Sakamoto. Despite being physically abused if Tensai gets frustrated, Sakamoto still continued to be loyal to his master. He ended his partnership with him in late July to early August. Sakamoto made his debut for NXT on the January 16, 2013 episode. He lost to Adrian Neville. He then started up a partnership with Briley Pierce on NXT. On May 17, 2013, Sakamoto was released.