Your Loser Husband is The Supreme King

For five years, Alistair rotted in captivity after his wife and daughter traded him for her ex. He returns to find that man has taken his place. They've forgotten the husband who gave them everything, but the kingdom hasn't forgotten its lost prince. Now Alistair is ready to reclaim his crown, expose their lies, and leave them behind. What will they do when the loser they despise becomes their king?