Unknown Planet

 is the debut single by Gunjou no Sekai. It was released as a digital single the same day.

Tracklist

 * 1) Unknown Planet (アンノウンプラネット)
 * 2) Tsuyogari na Seigi (強がりな正義)
 * 3) Unknown Planet (Instrumental)

Featured Members

 * Ichimiya Yui
 * Kudo Mika
 * Nagase Rimi
 * Yokota Fumika