Yoshimoto Honten Marunouchi is a seafood restaurant in the basement of Marunouchi Brick Square, reachable underground from Tokyo Station. At lunch it serves a set where you choose two items from fish such as maguro or katsuo, grilled salmon harasu, nimono, and korokke. Arriving shortly after 11 a.m. on a weekday lets you enter without waiting, and the interior has counter seats and table seats. During lunch hours a line forms of nearby office workers, and the portions and side dishes are on the small side.