Akiyama's strategy in the Pandemic game to barricade the vaccine check rooms, and then swindle Yokoya out of 300 million alongside getting what he wants.
In Musical Chairs, Akiyama encircles Yokoya with Gaya Alliance to prevent Yokoya from getting to his chair. He tries to break through but hits the ground instead. So now, Yokoya's henchman Ikezawa wins the game, without even realizing it.
Nao, with a completely straight face and bright smile, telling Akiyama that the third reason she knew Fukunaga wouldn't betray her in the 2nd Revival Round was because he had a crush on Akiyama. The look on Akiyama's face is priceless.
"So... to make sure absolutely sure that his 'spirit' doesn't reach here and stays away from bidding... how about we have Harimoto confine himself to the farthest toilet of this building?"