Kaiki shita Akugyaku Koujo wa Kuro Rekishi wo Nurikaeru

Ariadne, the infamous villainess, devoted herself to making her beloved brother king—the only person who had ever shown her kindness in this world. To secure his throne, she committed countless atrocities in his name. But her unwavering loyalty was met with betrayal. Branded as the "Tyrant Princess," she was executed... only to awaken at the very beginning of it all. Determined to change her fate, Ariadne abandons her past loyalties and sides with the First Prince—her former adversary—while vowing revenge on those who once manipulated her. With the knowledge of her past life, she will break free from her doomed destiny and rewrite the course of history!

(Source: Shousetsuka ni Narou, translated)