Niizuma Seiko (新妻聖子)
Arigatou
Release date: May 16, 2012
01 Arigatou
02 Okaeri
03 Watashi no hoshi
04 Arigatou (instrumental)
Virgin road
Release date: January 16, 2008
01 Virgin road
02 Ai no hito
03 Virgin road (TV mix)
04 Virgin road (instrumental)
05 Ai no hito (instrumental)
Ai wo tomenaide ~always loving you~
Release date: July 18, 2007
01 Ai wo tomenaide ~always loving you~
02 Glass no usagi ~unplugged~
03 Ai wo tomenaide ~always loving you~ (instrumental)
04 Glass no usagi ~unplugged~ (instrumental)
Yume no tsubasa
Release date: July 19, 2006
01 Yume no tsubasa
02 Dokomademo aozora
03 Yume no tsubasa (instrumental)
04 Dokomademo aozora (instrumental)
