Osamu has short, black hair, grey eyes, and hooded lids. He is quite muscular, even for working and owning an Onigiri shop, he happens to be a gymrat. He typically wears tight, black, long-sleeve shirts, and black cap hats. He is calmer, laid back, and typically has a deadpan, casual personality. When he gets passionate or competitive, he can be very riled, even if he doesn't seem it. He can seem quiet or tired, even when he isn't. He has a very large passion for food-- a second love.