Nippon Ichi Software
The game was originally revealed in Japan on July 11, 2012 as a 20th anniversary commemorative for Nippon Ichi Software. It was also developed largely by the same team behind the "Disgaea" series, while Noizi Ito worked as the game's character designer and Yōsei Teikoku composed the music. The game also has "Love Live! School Idol Project" idol group μ's as voice actresses for the main female characters, and they are credited under their character name.