Crown Prince Cecil Glow Alfostar, a prodigy unchallenged by the mundane, finds his world transformed by his fiancée, the self-proclaimed villainess Bertia Evil Nochesse. According to Bertia, they exist in an 'otome game,' where she must disrupt Cecil's bond with the heroine. Embracing her role with misguided enthusiasm, Bertia's attempts at wickedness always reveal her innate kindness. Freed from ennui, Cecil discovers endless fascination in observing the unwitting benevolence of his betrothed.