https://www.cmoa.jp/title/284913/ 5pt6k

Wistaria, a duchess who has been abused by her father since childhood, is on a mission to become queen. However, Alphonse, Prince of Kronos, has chosen Marguerite, the Viscountess, as his fiancee. Wistaria attempts to assassinate her and is executed by her childhood friend and Knight Commander Garland......Garland, who once told her that he wanted to become a knight and protect the weak, never thought he would be the one to be judged. The warmth of his memories was short-lived when he was mercilessly struck with a sword, and the next moment, time rewound to his surprise!　Garland then offers his hand to save her, saying, "If you want, I can always take your hand..."?
A retrograde love fantasy of a dark-fallen daughter and an overprotective knight commander!