The official website for Hanbit Ubiquitous Entertainment’s Hagane Orchestra (Steel Orchestra) smartphone game announced on Saturday that the game will shut down on May 31.
The game will offer refunds on June 1, and information on applying for refunds will be revealed at a later date.
The game can no longer be downloaded as of Saturday, and purchase of its in-game currency has been disabled.
The game debuted for iOS and Android devices in October 2016, and the anime by Fanworks premiered in the same month.