Brave Express Might Gaine(1993)

Brave Express Might Gaine is a Japanese mecha series following Maito Senpuuji, a fifteen-year-old billionaire who inherits his father's robotics company and crime-fighting legacy. Thrust into leadership of the Might Gaine team—a collection of transforming robots designed by his late father—Senpuuji must master both corporate responsibility and piloting advanced machinery. Together with his independent-minded robot allies, he battles organized crime syndicates terrorizing Nouvelle Tokyo City. The series blends action-packed mecha combat with coming-of-age drama as a teenage prodigy navigates the weight of his inheritance while protecting his city from criminal threats.