ナルシストで潔癖症な騎士様の嫌われ婚約者になるはずでしたが

The story of an insensitive female knight who, by royal command, becomes engaged to a narcissistic knight in a formal manner and falls in love with him.

Arasuji: Mitina, a female knight with a penchant for money, is lured by the reward and ends up living with Kyelse, a narcissistic knight who is a peerless beauty but has a terrible personality. However, her role is not to marry Kyelse someday, but to become the hated person to encourage her marriage to her true love, the young lady. Mitina, who was originally at odds with Kyelse due to the difference in the knight orders they belong to, smoothly fulfills her role as the hated fiancée. However, Kyelse’s attitude begins to change when Mitina begins to show understanding for his personality, and after Mitina nearly dies during a mission to defeat a demonic beast, she becomes overprotective and takes care of him. At the same time, they also start interacting to overcome her obsessive-compulsive disorder…?