God, I’ve Heard My Fiancé and the Saint Committed Ad**tery?

In this captivating Japanese web novel titled 'God, I’ve Heard My Fiancé and the Saint Committed Ad**tery?', a nation faces a demonic threat brought upon by the unexpected actions of the Saint and the protagonist's fiancé. Dive into a world of action, fantasy, and romance where a beautiful female lead navigates the complexities of love, duty, and supernatural forces.