The Number One Demoness of the Three Realms

The Three Realms have always been distinct, each minding its own business. But one day, a demoness appeared out of nowhere, and from then on, peace vanished from the Three Realms. Was she a blessing or a disaster? The First Demoness, a true queen, had arrived, yet she found herself falling in love. Who would dare love her? War or love, slaughter or peace: in the end, it all comes down to a single thought.