- BPM · 2010
- Spiral · 2015
- Deep in your heart / + MILLION but - LOVE - Single · 2006
- Spiral · 2015
- Gravity · 2012
- PLAYFUL · 2021
- mirror · 2006
- Gravity · 2012
- PLAYFUL · 2021
- mirror · 2006
- mirror · 2006
- PLAYFUL · 2021
- PLAYFUL · 2021
Singles & EPs
About Koichi Domoto
- HOMETOWN
- Japan
- GENRE
- J-Pop