 With the president's acceptance, Ishiwatari started to work on it along with a cast of about 12 people, the so-called "Team Neo Blood", lasting a year and a half in its development.With influences of the manga "Bastard‼", Ishiwatari created the series hoping it would appeal not only to game fans but to anime fans too.Originally, the game was designed with rendered 3-D visuals, but this was later replaced by hand-drawn artwork.