Tomoya Nagase (長瀬 智也, Nagase Tomoya?) is a Japanese singer and actor born on November 7, 1978. He is the youngest member of TOKIO, a Johnny Entertainment musical group. He is the primary vocalist, in addition to playing the guitar alongside TOKIO's leader, Joshima Shigeru. Nagase is known as Nagase, Tomoya, Naga-kun, Tomo-kun, Baby or Tomobaby. In July 2007, he broke up with his long-time girlfriend, Ayumi Hamasaki, one of Japan's most popular singers.

Source: Wikipedia