A series of bonus videos for the anime Girls und Panzer. These are short videos included as special content on Blu-ray/DVD discs, with one video per Blu-ray/DVD volume, and a total of six videos released, similar to the Blu-ray/DVD releases. The side stories, including the bonus videos, have also been released on other Girls und Panzer related Blu-rays and DVDs, and production of bonus videos continues even after the final chapter.

This is a series in which Yukari Akiyama, a loader from Team Angler, appears as the main character, and Yukari explains the tanks in the series, tank-related terminology and equipment, and the actual history of their use. Various visual materials to aid understanding and scenes featuring tanks in the play appear like replays.