Nisa / Nippon Ichi is a recurring character in the Hyperdimension Neptunia franchise and is the personification of the games co-publishing company NIS America or Nippon Ichi, as it is known as in Japan.
Gamindustri’s self-proclaimed "Keeper of Justice", she appears in times of crisis, which is usual when least expected. Training to become a brave and passionate hero, she seems to lack the skills for gathering information and the strength to ignore comments on her most sensitive areas.