S01E457: 9 Years of Running Man (6),Lyrics Writing Race (2)

This week, the members take a break from preparing for the fan-meet event. Joined by two guests, the members go on a tour of several restaurants and have invigorating food. At each restaurant, they play games and pay as much as they wish for the meal. And each payment is made in secret. What will be the mission, and who will be the final winner?