Kumagai Ikumi (熊谷育美)
Re:Us Navigation
Release date: February 24, 2016
Tsuyoku
Release date: June 20, 2012
01 Tsuyoku
02 Haru no eien
03 Tsuyoku (instrumental)
Kumo no haruka
Release date: April 20, 2011
01 Kumo no haruka
02 Hanabira daite
03 Kumo no haruka (instrumental)
Getsurenka
Release date: May 05, 2010
01 Getsurenka
02 Hitori
03 Getsurenka (instrumental)