Kouji Watanabe
Known for
- Sands of Destruction (2008)
- Musical: Prince of Tennis Absolute King Rikkai feat. Rokkaku ～ Second Service (2007)
- Musical: Prince of Tennis Absolute King Rikkai feat. Rokkaku ~ First Service (2007)
- Musical: Prince of Tennis Concert Dream Live 4th (2007)
- Musical: Prince of Tennis Advancement Match Rokkaku feat. Hyotei (2006)