A frontal structure of an information processing apparatus, includes a plurality plate-like members, each member having a plurality of perforations opened at predetermined intervals therebetween, each perforation having a predetermined size and shape, and a light-emitting unit for emitting light toward the plate-like members. The plate-like members run in parallel and are arranged with one behind another and an entire or part of frontmost one of the plate-like members serves as an entire or part of front of a casing of the information processing apparatus.