あなたが拾ったのは普通の女騎士ですか？　それともゴミクズ系女騎士ですか？ (Associated Names)

One of the Four Heavenly Kings of the Demon King’s army, the Dark Knight. His fearsome reputation precedes him, and he is considered humanity’s strongest and most evil enemy that must be defeated. “I want to quit…” However, this Dark Knight, who is feared not only by humans but also by demons, is actually a…