Alternative Title: ブレイブウィッチーズ 第13話「ペテルブルグ大戦略」
Release Date: 2017
Category: Anime Series
Summary: The episode takes place between seventh and eighth episode and will be screened in theaters on May 13, 2017. The episode will also be bundled with the seventh Blu-ray and DVD volume of the anime, releasing on August 25, 2017.