Akagi is a boy who suddenly appears at the mahjong parlor Midori. He plays mahjong for the first time when Nango asks him to play in his place - and he does. Akagi suddenly displays extraordinary talent, including spectacular cheating, and threatens Ryuzaki. Tatsuzaki asked Keiji Yagi to play in his place, and Yagi, who visited Ryuzaki, immediately recognized Akagi's talent and found his weakness at the same time. The seventh round is over, and Nango is one top away from eliminating all his debt