Mecha Empress: My Galactic Partner

In the age of interstellar mechs, alien races are invading human space. He was a talented pilot who stumbled upon a heavily damaged, mysterious "machine." He treated it as his personal mech, unaware that he had actually bonded with the wounded Empress of the Stars. Together, they tore through the enemy fleet, starting a legendary conquest that would reshape the galaxy and reveal the true power of their forbidden contract.