| 1. | Kuu クゥ クゥ |
|
| 2. | Fu no Zenshin 負の前進 負の前進 |
|
| 3. | Sora 空 空 |
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| 1. | Kuu クゥ クゥ |
|
| 2. | Fu no Zenshin 負の前進 負の前進 |
|
| 3. | Sora 空 空 |
Kra's first maxi-single. Their OHP states that "Kuu" also had a PV, but it is unclear if that music video was distributed as an additional DVD with this CD, a separate DVD, or release in a collection later.