Kouichi was the guitarist of the band XOVER. He has also solo project under the name of Everlasting-K.
- Stage Names: Kouichi, Everlasting-K
- Birthday: August 3
- Borthplace: Mie Prefecture, Japan
- Blood Type: O
- Previous Bands: VIVIAN LEE, Silver Rose, Laputa
- [2006.08.06] Tour Calling 2006 ~Perfect Control~