Synopsis: An Observation Log of My Fiancée Who Calls Herself a Villainess

The life of Crown Prince Cecil Glow Alfostar is a tedious one, despite his extraordinary intelligence and talents. He struggles to find meaning in his existence until his fiancée, Bertia Evil Nochesse, captures his interest with her intriguing behavior. Bertia reveals to Cecil that they are living in an "otome game," and she has been cast as the villainess whose goal is to obstruct his love affair with the game's heroine. Despite her dedication to playing the antagonist, Bertia's gentle nature occasionally shines through. Cecil is enamored with Bertia's stimulating personality, which liberates him from his yawn-inducing life and fills him with contentment. He delights in observing his kind and unpretentious fiancée, bringing him great joy each day.