The English version is translated by Takamichi Suzukawa and Maarten ter Huurne from the original Japanese version.
According to Sanriku King #0 the first batch of Kyokugen was copy/poke proof and deleted itself after displaying "you are not human." upon detecting such attempt but this feature often destroyed the proper disk therefore was abolished. This protection can be removed using Sanriku King #0.
Izumi, one of the player characters is a recurring character from Izumic Ballade.