This is a CD containing character songs for the TV anime Suzumiya Haruhi no Yuuutsu (涼宮ハルヒの憂鬱) .

The tracks are as follows.

1. fixed mind
2. Hare Hare Yukai (ハレ晴レユカイ)
3. fixed mind (off vocal)
4. Hare Hare Yukai (off vocal)