Mecha Era: Scoring SSS Mecha Girls— Episode 4

Ethan transmigrates into a mecha era. The Zerg are invading. Girls awaken as Mecha Girls, and boys become their pilots. With a dual SSS-Rank talent, Ethan can contract multiple Mecha Girls. Together, they wipe out the Zerg. On his rise to greatness, he also faces jealousy and deadly threats.