Humans live shoulder to shoulder in colonies separated by rock; outside the colonies, a dangerous undeveloped area called the Labyrinth is expanding; those who risk their lives to develop the Labyrinth are known as Markers.

Humans live shoulder to shoulder in colonies separated by rock; outside the colonies, a dangerous undeveloped area called the Labyrinth is expanding; those who risk their lives to develop the Labyrinth are known as Markers.

Humans live shoulder to shoulder in colonies separated by rock; outside the colonies, a dangerous undeveloped area called the Labyrinth is expanding; those who risk their lives to develop the Labyrinth are known as Markers.

Memempu and Gagumber are free once more, but the Yuri team catches them, a gang of young miscreants from the Colony of AreYaar; the kids take them back to their home base and teach them the secret behind the Colony's supposed equality.