The Demon Ice Cangliu of September's End

Lucifer founded the Fallen Angels and went on a killing spree, plunging humanity into panic as he prepared to reclaim his kingdom. Muir the Fifth gathered the Eight Elements and became a god, bringing Kalan Kaya here so that she could be resurrected. The world began to fall. Earth was on the verge of destruction, and a meteor shower from beyond the heavens shattered humanity into fragments. As crisis loomed, more and more heroic dreams came true. This Earth could not be allowed to perish. The Ice Emperor awoke, saving a collapsing world. The Demon Lord descended, turning the tide at the brink of defeat. The Witch played her flute, casually unleashing forbidden spells. That day, she looked at him and said, “You're mine. I won't let you die.” That day, he looked at her and said, “I belong to you. I'll protect you.” That day, in the demon realm, he said, “Through countless cycles of reincarnation, I will always love you.” (This is a fanfic, not the original story's canon. You can think of it as one of the countless timelines in the original.)