Ce Character Image Song Series Vol.4 contient 6 pistes sortie le 26 août 2009 et interprété par Kotobuki Minako (CV: Minako Kotobuki).


Name: Character Image Song Series Vol.4 - Kotobuki Tsumugi
Artist: Kotobuki Tsumugi (CV: Minako Kotobuki)
CD Release: 2009/08/26
Catalog No. : PCCG-984
Label/Distributor : Pony Canyon
Tracks:

01. Dear My Keys ~Kenban no Mahou~
02. Humming Bird
03. "Let's Go" (Tsumugi Ver.)
04. Dear My Keys ~Kenban no Mahou~ (Instrumental)
05. Humming Bird (Instrumental)
06. "Let's Go" (Instrumental)