After moving into his new apartment, the quiet high‑school student Kei seeks a fresh thrill. He quickly discovers mahjong, yet his life takes an unexpected turn when he is compelled to play against a criminal syndicate. Though the odds favor his rivals, Kei outshines them all. Rather than cashing in on his winnings, he chooses to protect an abducted girl named Amina. Kei's skill and detached demeanor attract the enigmatic Hideharu Seki, who introduces him to upscale mahjong venues and a roster of formidable opponents. However, when matched with seasoned player Doujima, Kei finds himself outclassed and nearly incurs crippling debt. To safeguard his newfound life with Amina, he must devise strategies to outmaneuver these dubious figures and dominate every match. His determination fuels relentless practice, sharpening his intuition and enabling him to anticipate opponents' moves, ensuring that each confrontation ends in his favor. With Amina's safety as his highest priority, Kei embraces every challenge today.
