Seiko Niizuma

- Ai wo Tomenaide - Always Loving You -
- Andante · 2010
- I've Never Been to Me (Live Ver.)
- Live Moments · 2013
- Virgin Road
- Andante · 2008
- Andante
- Andante · 2010
- Aoi Kamome
- Andante · 2010
- Watashi Dake ni (Ich Gehor Nur Mir) [Live Ver.]
- Live Moments · 2013
- Man of La Mancha (Live Ver.)
- Live Moments · 2013
- Sisters (Live Ver.)
- Live Moments · 2013
- Gold (Live Ver.)
- Live Moments · 2013
- Hitotsu (Live Ver.)
- Live Moments · 2013
- The Light in the Piazza (From "the Light in the Piazza")
- Musical Moments · 2008
- Watashi no Hoshi (Live Ver.)
- Live Moments · 2013
- Okaeri (Live Ver.)
- Live Moments · 2013

SEIKO - EP

2015
I Dreamed A Dream - Single

2015
Arigatou - EP

2012
Toki No Tsubasa (Movie "the Princess and the Pilot" Main Theme) - Single

2011
Virgin Road - Single

2008
Ai wo Tomenai de - Always Loving You - - Single

2007
Yume no Tsubasa - EP

2006

BORN: 8 October 1980
GENRE: Vocal