Being reborn after 100 years, I was asked to marry a knight from previous life, who doesn't seem to recognize me as the princess

If you reincarnate, your status will be reversed?! A first love romance that is bound together beyond time! Sheila's previous life was that of Queen Alexia, who died 100 years ago. Despite her previous life's knowledge of magic, Sheila is unable to use it, but with that knowledge and the purpose of finding the reincarnation of her first love, Collin, she sets out to move.