Amid winding warrens and twisting tunnels, it was a mistake to come here into the darkest recesses of the earth. Something else lurks below.

The smallest member of the school Exploration Club and a popular Gyaru explore the steam tunnels under their school. Will they be able to find their way back out? What might they get up to alone down there? Is there something strange about the tunnels?

Tunnel clearing duty is the worst job a soldier could ask for. The enemy rats have dug in deep and laid their muddy tunnels with traps and pitfalls galore. But for Nynn and the rest of 4th Recon Squad, clearing trap infested rat tunnels is just par for the course. A shitty job for short soldiers with even shorter tours.

An obsolete Cold Warrior takes care of a trapped little boy. Circuits, relays, freeze dried food, and love, underground.

A mission goes wrong when the Drop Pod fails to extract. Abandoned thousands of meters underground by Mission Control, the Dwarves are determined to return to the Space Rig.

Enter the thrilling, dangerous world of underground street racing.