SWORD, TIARA, AND HIGH HEELS THE DUKE'S DAUGHTER WITH A HERO'S SOUL

The kingdom's hero, Ortus (♂), dies in battle after failing to fulfill the promise he made to protect the kingdom for the rest of his life. When he wakes up again, he finds himself reincarnated as Seretina, the duke's daughter! Even though she's a beautiful girl on the outside, she still has the sam