Nakayama Yuuma joined the Osaka branch of the talent agency Johnny's Entertainment in 2006. During his junior days he was part of the junior groups Top Kids, Nakayama Yuuma w/ B.I. Shadow, Nakayama Yuuma w/ Hey! Say! 7 WEST, and NYC boys. Between 2010-2015 he was a member of the special unit NYC together with Yamada Ryousuke and Chinen Yuuri from Hey! Say! JUMP.
Yuuma is currently working as a solo artist. He made his drama debut in 2008 and his solo CD debut in 2012. In 2015 he acted the leading part of Dorian Gray in the stage version of 'The Picture of Dorian Gray'
He hosts two radio shows: look at you-ma (bayfm) and nakayama yuuma no radio catch (JFN), and is a regular cohost of the variety show piiko to hyoudou no pichike pachike (Kansai Television) since 2015.