This case is a case configured to accommodate a controller, the controller including: a first main surface; a second main surface provided on a side opposite to the first main surface; a first side surface and a second side surface provided on both ends in a longer direction of the first main surface and the second main surface; and a first side end surface and a second side end surface provided on both ends in a shorter direction of the first main surface and the second main surface. The controller further includes: a first operation portion provided on the first main surface; a second operation portion provided on the first end surface; a third operation portion provided on the second main surface; and an image capturing section provided on the second end surface.