株式会社オペラハウス

Game development and animation production company founded in April 2002 and headquartered in Iwamotocho, Chiyoda City. It became a wholly owned subsidiary of Voltage on 1 July 2026. [Translated and edited from [url=https://ja.wikipedia.org/wiki/%E3%82%AA%E3%83%9A%E3%83%A9%E3%83%8F%E3%82%A6%E3%82%B9_(%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E4%BC%9A%E7%A4%BE)]Japanese Wikipedia[/url]]