Yuma Nakayama w/B.I.Shadow

This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Yuma Nakayama w/B.I.Shadow" – news · newspapers · books · scholar · JSTOR (October 2009) (Learn how and when to remove this message)

Yuma Nakayama w/B.I.Shadow (中山優馬 w/ B.I.Shadow, Nakayama Yūma wizu Bī Ai Shadō) is a J-pop group under Johnny & Associates, made up of five members.