- Toki No Tsubasa (Movie "the Princess and the Pilot" Main Theme) - Single · 2011
- Andante · 2010
- Andante · 2010
- Musical Moments · 2008
- SEIKO - EP · 2015
- Musical Moments · 2008
- Toki No Tsubasa (Movie "the Princess and the Pilot" Main Theme) - Single · 2011
- 映画大好きポンポさん サウンドトラック · 2021
- Musical Moments · 2008
- Toki No Tsubasa (Movie "the Princess and the Pilot" Main Theme) - Single · 2011
- Live Moments · 2013
- Live Moments · 2013
- Live Moments · 2013
Albums
- 2013
Singles & EPs
- 2015
About Seiko Niizuma
- BORN
- October 8, 1980
- GENRE
- Vocal