Rokumei Coffee Co. Gransta Marunouchi is a cafe selling coffee and lattes inside Tokyo Station's Gransta Marunouchi area, on the route from the Marunouchi side toward the Yaesu side. Coffee can be ordered with a choice of dark or light roast. The cafe has standing seats and seated seats, and the counter seats have power outlets. On Saturday afternoons about 80 percent of the seats are filled, and the cafe has been crowded recently as customers have increased.