Japanese vocalist best known as the frontman of the visual kei rock band Nightmare. He also performs in the comedy-oriented side project Sendai Kamotsu.
He went to high school with the other members of Nightmare. He was invited to join the group by Hitsugi.
He has hosted his own radio show on NACK5 called Jack in the Box!
His real name is Yun Chiba. He has a younger brother named Igaguri Chiba.
He cites Ryuichi Kawamura as his favorite singer.