About 5,000 years ago, meteorites fell from the sky onto the continent of Tilanat. Their arrival caused the creatures on the continent to mutate and evolve. The legendary Corpse Clan, Blood Clan, elves, and other races were born during this time. But with the insect race's overwhelming numbers and immense power, the other races had no choice but to band together and build technological fortresses. Humanity, too, gradually advanced from fighting with manpower alone to today's battles using biological mech armor.
A young man from Blue Star dies and transmigrates to the continent of Tilanat, where he is born into a top research family in a fortress. He possesses the finest talent for piloting mechs and a top-tier intellect. With the help of the intelligence System, he leads humanity in sweeping across the insect hordes.
P.S. The System has a limited presence and serves purely as an aid.