Hanzawa Naoki is a banker at the Tokyo Central Bank. Despite his having exposed many injustices inside the bank, the story begins with his being sent off to a subsidiary company, Tokyo Central Securities. Naoki commands a band of workers who are part of the so-called “lost generation.” Together, they confront and overcome numerous workplace challenges. Can they secure “double returns” for clients and their outlandish demands? Convention-busting banker hero, Hanzawa Naoki, underwrites a new legendary chapter in the financial world.