BOX cafe&space is a limited-time cafe on the fourth floor of the Matsumoto Kiyoshi building in Ikebukuro, Tokyo, serving menus made in collaboration with anime, games, and characters. During the Pompompurin theme, wall decorations, video, and music are used to dress the space in the character, and items such as hamburgers and pancakes are served in the character's shape. Entry is by reserved time slot, and after entering, orders are placed by QR code and completed in one go, so you can wait at the entrance. Food sometimes arrives cold or dry, and the flavor is weak.