How many characters are in RobiHachi?

RobiHachi has 7 characters (2 main, 5 supporting).

RobiHachi

The anime's story is set in Neo Tokyo in the year G.C. (Galaxy Century) 0051, which marks a half century since first contact was made. Humans have obtained super light-speed navigation technology and formed a commonwealth of planets with aliens. A streak of bad luck is continuing for self-proclaimed freelance reportage writer Robby Yarge, who is around 30 years old. He fails at work, so his contra...