Tracks 1, 2, and 3 are vocals by Hikami Kyoko (氷上恭子)
(different versions fo the same song).
Track 4 is karaoke, and track 5 is BGM.
The CD comes in a cardboard jacket, not a plastic case.
The front cover has an illustration of Ellis,
and the back cover has a color photo of Hikami Kyoko cosplaying as Ellis.
There are also two more pictures of Kyoko on the inside covers
of the cardboard case.
Those who reserved this CD got a poster of Hikami Kyoko
cosplaying as Ellis (monochrome, not color).