An Observation Log of My Fiancée Who Calls Herself a Villainess

Crown Prince Cecil Glow Alfostar's life is uneventful, as he finds knowledge and skills come effortlessly to him. His fiancée, Bertia Evil Nochesse, a self-proclaimed villainess, shakes up his routine. Bertia believes they're living in an "otome game" world and that she's been reborn as the villainess, meant to disrupt the relationship between Cecil and the heroine. Her attempts at being evil surprisingly have a sincere and kind quality to them.