Kosuke Yonehara

As an actor, Yonehara appeared in the stage adaptation of Air Gear as Hamlet, but in the second installment he took over the role of Romeo from Ryuji Kamiyama after he had replaced Kenta Kamakari (who had fallen ill) as Minami Itsuki. He also played the female role of Rosemary in several Maria Magdalena stages. Between April 2010 and March 2012, he was the drummer of the rock group Cocoa Otoko.

Yonehara was a former trainee at Johnny & Associates as a Kansai Johnny's Jr., but he left and joined D.A.N.K. (Daisuke Asakura New Kids) in 2000, a performance troupe produced by Daisuke Asakura. In 2001, he appeared on the audition program Study Park!!, where he was selected as one of the members for the boy band Run&Gun, later debuting on July 4, 2001 with the single "Lay-Up!" During his time with the group, in 2005, Yonehara also released a solo song titled "Memories" for Run&Gun's first extended play, Hateshinai Tabi no Naka de...

Kosuke Yonehara (米原 幸佑 , Yonehara Kōsuke, born March 13, 1986) is a Japanese singer, actor, and drummer affiliated with Yoshimoto Kogyo. Yonehara debuted in 2001 as a member of the boy band and acting troupe Run&Gun. From 2010 to 2012, he was also the drummer of the band Cocoa Otoko. Later, he provided vocals and guitars to the musical duo Yosuke Kosuke with Yosuke Sakanoue.