2006 - 16 tracks

Blue Sky - Kotaro Oshio

2006 - 12 tracks

Color Or Life - Kotaro Oshio

2006 - 16 tracks

Blue sky ~Kotaro Oshio Best Album~ - Kotaro Oshio

2005 - 12 tracks

Panorama - Kotaro Oshio

2004 - 11 tracks

Be Happy - Kotaro Oshio

2003 - 11 tracks

Dramatic - Kotaro Oshio

2002 - 12 tracks

Starting Point - Kotaro Oshio

13 tracks

Love Strings - Kotaro Oshio