Suterare Seijo wa Keiyaku Kekkon wo Mankitsuchuu. Koukai Shiteru? Dakara Nani?

Michelle, the nation's 'Head Saintess' and fiancée to Crown Prince Alphonse, faces daily life where she can't get enough sleep or food due to the unreasonable demands of the nobles and the maintenance of the barrier. On top of that, she's called the 'Vicious Saintess' due to the envy of those around her... What awaited the exhausted Michelle was the declaration of 'engagement annulment' and 'dismissal as Head Saintess' from the Crown Prince. Michelle shouts with joy at the smirking Crown Prince!! However, the King, worried about the future of the nation, orders Michelle into a contract marriage with the Marquis Dudoven, rumored to be the 'Lustful Marquis,' to keep her as a Saintess...!