After Being Reborn as a Cockroach, I Created a Zerg Empire

After Cao Kun died, he was reborn as a little cockroach. At this time, an anti-human technological organization emerged, creating countless horrific biological weapons in an attempt to create a doomsday! Bind the system, develop and evolve, and create forces! That day, the city fell and countless mutated creatures ran rampant. However, a massive Zerg army broke through the sewers at this time! Under the leadership of a giant cockroach, start a bloody fight with these mutated creatures! No one could have imagined that a little cockroach would eventually completely overturn everything...