At Shishidou, a prestigious school for the wealthy, Tom Shirasagi, a gambler from a public school, challenges the elite students to gambling duels with the intent to bring the school to ruins. His enigmatic presence sparks curiosity as he displays unmatched skill and cunning strategies during each match. As the games progress, the mystery behind Tom's true motives and his remarkable abilities unravel, leaving everyone questioning his endgame. Amidst the high-stakes competitions, Tom interacts with key figures like the brilliant yet haughty Mika Shishidou, the school headmaster's granddaughter, and Abidani, the eerie dorm superintendent with a malevolent agenda against Tom. With each match exposing new layers of Tom's past and unveiling unexpected revelations, the story delves into a complex web of deception, ambition, and rivalry.