10-nenkan Karada wo Nottorare Akujo ni natte Ita Watashi ni, Nidoto Kao wo Miseru na to Konyaku Haki shite Kita Kishi-sama ga Kyou mo Sugatte kuru

The earl's daughter Sadie has made quite a name for herself as the villainess of the century during the ten years that her body was hijacked. When she realizes she has gotten back in her original body, Rufus, the commander of the knights, is in the middle of breaking off their betrothal. Even when she tells him the truth that her body has been hijacked, he refuses to believe her. Thus, Sadie begins to look for the culprit as well as the cause of the body-switching. Meanwhile, Rufus cannot hide his confusion over Sadie's sudden change in personality...
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[Original Web Novel](https://ncode.syosetu.com/n0873gq/)