Mecha Age: Legami Eterni alle Ragazze Macchina

Dumped by his gold-digger girlfriend for being an "F-rank loser," he awakens the ultimate SSS-rank "Infinite Charge" system! In a world where warriors bond with Mecha Girls, he builds a ruthless harem of gorgeous, top-tier SSS mechas. Standing at the pinnacle of humanity, he scoffs at his begging ex: "Sorry, A-ranks aren't worthy of me."