I will change

Once upon a time there was a fair Princess.
She was kept under lock and key by a vile behemoth.

When lo and behold, came the valiant Prince!
He vanquished the behemoth with his mighty spear and set the princess free.
Then he took her by the hand and said: "Marry me, beautiful!"

However, Princess didn't know about the monster that lies within.

CONTENT WARNING: themes of physical and mental abuse, psychological trauma and toxic relationship