Wikipedia
Run&Gun is a four-member Japanese pop group which has released numerous singles, albums and DVDs and have performed some live concerts. Run&Gun started their career in 2001, with their first single "Lay up", written by Daisuke Asakura. Asakura continued to write songs for the group until 2002. "Loop" was the group's first single independent from Asakura, they released four more singles until the first album, "Face", was released in 2003. However, in 2008 they stated that they weren't planning on making any more music and will instead focus on plays and musicals, both individually and as a group.
They are best known outside Japan for their song Mi-Ra-I, which was produced for the animated television series Sonic X, and the musical adapted of the Air Gear manga, in which they starred as Team Bacchus, an original team made for the musical. In the second installment Ryuji Kamiyama took over the role of Ikki.
One of the members, Yuya Miyashita, provides the voice of Yusei Fudo in Yu-Gi-Oh! 5D's.