Before the final's vanguard match begins, Ryümonbuchi representative Jun Inoue accidentally eats Yüki's only taco. Yüki cries and causes a commotion, but Mihoko shares her lunch box with her. Then the game begins with Jun winning multiple hands, while manipulating the game flow and pressures Yüki. Midway, Mihoko opens her right eye to use her power: deduction of tile discards. She negates Jun's influence and proceeds to help Yüki gain her points back from Jun to turn the game around...