CD
- "Happy Boys Image Collection 3 ~In the Future~" as Ivory (Kousuke Kitamura), 2007
- "Kampai Je T'aime", 2007
- "Fight for Justice ~Individual-System NAGO ver.~" as Keisuke Nago, 2008
- "Inherited-System Masked Rider IXA Tribute Album" as Keisuke Nago, 2008
- "Don't lose yourself" as Keisuke Nago, 2008
- "IXA-cise" as Keisuke Nago, 2008
- "IXA-cise2 (Body rhythm Edit.)" as Keisuke Nago, 2009
- "Kato Keisuke Pieces of Dream"
Read more about this topic: Keisuke Kato