The first three released included songs by Aya Hirano as Haruhi Suzumiya, Minori Chihara as Yuki Nagato and Yuko Goto as Mikuru Asahina.

Moreover, two additional character CDs were released on December 6, 2006, sung by Yuki Matsuoka as Tsuruya and Natsuko Kuwatani as Ryōko Asakura.

Two more character CDs were released on January 24, 2007, sung by Sayaka Aoki as Kyon's Sister[1] and Yuri Shiratori as Emiri Kimidori.

The special edition of the third volume DVD of the anime series in North America bundled this CD in the package, released on September 25, 2007.

3 Asahina Mikuru) is the third volume of the character song albums and was released on July 5, 2006.

4 Tsuruya-san) is the fourth volume of the character song albums and was released on December 6, 2006.

5 Asakura Ryōko) is the fifth volume of the character song albums and was released on December 6, 2006.

6 Kyon no Imōto) is the sixth volume of the character song albums and was released on January 24, 2007.

7 Kimidori Emiri) is the seventh volume of the character song albums and was released on January 24, 2007.

8 Itsuki Koizumi (涼宮ハルヒの憂鬱 キャラクターソング Vol.8 古泉一樹, Suzumiya Haruhi no Yūutsu Kyarakutā Songu Vol.

8 Koizumi Itsuki) is the eighth volume of the character song albums and was released on February 21, 2007.

9 Kyon (涼宮ハルヒの憂鬱 キャラクターソング Vol.9 キョン, Suzumiya Haruhi no Yūutsu Kyarakutā Songu Vol.

9 Kyon) is the ninth volume of the character song albums and was released on February 21, 2007.

3 Asahina Mikuru) is the third volume of the character song albums and was released on October 1, 2009.

4 Koizumi Itsuki) is the fourth volume of the character song albums and was released on November 18, 2009.