The Kyushu Continent has a "God Meteor Tide" every thousand years, when gods come to the world and harvest all living beings. The protagonist Lin Yuan is a loser with no spiritual roots, and his only support is his childhood sweetheart and junior sister - Su Yunxian, the most powerful "god-killer" in the world.
However, in the first tide of the God's Fall, Su Yunxian sacrificed himself in order to save the common people. Before he died, he said to Lin Yuan: "In the next life, it will be you who will protect me."
Lin Yuan jumped into the well of reincarnation with her body in his arms, but unexpectedly awakened his talent [Millennium Promise].
