ジャニーズJr.
On June 2009, it was announced that Nakayama would form a group together with four other Johnny's Jr. called B.I. Shadow forming the name Yuma Nakayama w/B.I.Shadow. They are the second Johnny's group after Tackey &amp; Tsubasa to have a name directly in the group name, and are also the second group after News to have both Johnny's Jr. and Kansai Jr. members together in one group. On the same month of the year, it was also revealed that Nakayama will be joined by two Hey! Say! JUMP member, Ryosuke Yamada and Yuri Chinen to form a special group called NYC Boys. The NYC was an abbreviation of each member initial and the boys referred to the B.I. Shadow.