Junket Bank

In the unassuming Karasumono Bank's Central Branch, a typical banking institution on the surface, a remarkable discovery awaits. Akira Mitarai, a novice banker, is reassigned to the enigmatic "Special Operations Department" and led by its enigmatic manager, Zenimaru Usami, into the hidden depths beneath the bank. There, he stumbles upon a clandestine, high-stakes gambling den, exclusively catering to wealthy patrons. Akira is captivated by the intoxicating atmosphere and the effortless charm of enigmatic gambler Shin Mafutsu, who effortlessly navigates the games of chance. As Akira becomes increasingly enthralled, he finds himself unable to shake off the thrill of risking it all.