The book also contained a special, newly-drawn 4-page booklet as an extra feature. The official description for this collected edition reads: "The mission of a knight is to serve their master...♥ A noble elven knight, defeated in battle and reduced to a human's sex toy. For over 200 years since her birth, she has never experienced a night of pleasure. For the first time, her body and mind yield to the ecstasy she tastes."
The manga’s success and the notoriety of its themes made it a prime candidate for an anime adaptation, leading to the 2023 OVA. tsurupeta shugo kishi elfina ochiru