In the year 1899. When the humankind know about fiction...
Our ancestors found a portal that's lead them to other world called 'Fiction World'. They've met 3 master of Creator of this mysterious world.
The 1st Master, power of Light and Life.
The 2nd Master, power of Darkness and Death.
And last, the one who responsible of among these two master, the 3rd one with power of Balance. Most powerful than Light and Darkness.
Create a very special book, 'Book of Paracosm'. The book is gather all things beside light-Darkness, it can keep all memory from someone or other creature nor non-creature from past, present, and future. But it also have million magic spells plus skills.
After year to year, the ancestors, known as 'successor' have a great bond with the 'fiction' people to make a great history before the wars begin.
However, one guard of the sun, creation by Master of Light, disagree have a bonding with humans. They make a counterattack after years passed, the successor and fiction ancestors were nearing extinction. Because of it, the moon guardian try stop her own sister to take control of that book by sacrifice herself after send the book of Paracosm to another dimension. Until now, no one knows who will found the book...