Yūsha no haha to yoba reta seijo no shōgai

“You are God’s chosen Saint. Find a good companion and bear a child. Then the child will awaken as a Hero and save this world from crisis.”

Justine, the Duke’s daughter who had received such an Oracle from God, was exiled to the frontier after being framed as “A false saint who deceived the royal family” by the Crown Prince Diaz and told that their engagement was cancelled.

A few years later, however, she was called back to the Royal Capital for the convenience of the country and reunited with her ex-fiancée, Diaz.

Justine quietly became enraged and frustrated, and came up with a way to get revenge.