I'm the Villainess, So I'm Taming the Final Boss, Vol. 5 (Light Novel) (novel)

Could Aileen and Claude's marriage be a mistake? A man claiming to be Claude'sdemonic father certainly thinks so, and he's determined to have his son divorce hiswife and return to the realm of demons. But as Aileen resolves to win her fatherin-law's approval by any means necessary, a candidate for the next queen of Hauseldeclares herself the demon king's true soul mate. Is the love between Claude andAileen strong enough to defy destiny itself?