(W) Yu Sasuga (A/CA) Kenichi Tachibana. After humanity's first manned mission to the Red Planet was lost* a second expedition arrives. The explorers prepare to exterminate the cockroaches that were used to transform the Martian environment* but are shocked to discover that the insects have mutated into giant* aggressive humanoids with one overriding goal - exterminate the humans! However* this crew of explorers has each undergone the "Bugs Procedure*" terrifying experimental surgery designed to make them more than human...