Erich von Lergen

エーリッヒ・フォン・レルゲン

aka Erich von Rerugen

A high-ranking officer in the Empire's Military Command, belonging to Strategic Headquarter. He is part of the General Staff's strategic advisory member that deals with the Empire's war tactics. A thoughtful and keen man, he quickly deduces the true nature of [Tanya Degurechaff](https://anilist.co/character/121052/Degurechaff-Tanya), calling her a demon. Even so, he trusts her ruthless efficiency to carry out tasks perfectly.