The Ruthless Fairy Plays with His Charming Wife

Only because of the love and promise in that life, she came to this strange world. When she decided to give up the chance to return to her original world and join hands with him to fight the devil, he abandoned her. In the nightmare, her family members in her previous life died because of her, which seemed to indicate the reality. The war in the four kingdoms has just begun, and the devil is about to be born. Where should she go now... Should I go or stay?