This CD contains the ending song to the TV anime Madan no Ou to Vanadis (魔弾の王と戦姫).
The tracks are as follows.
This is Hitomi's 8th solo single.
"First Kiss" is a cover of the opening song for Zero no Tsukaima.
There is a CD+DVD package for this CD, and the third song is different.
similar web/CD pages