This is no ordinary border crossing, this is the junction of two worlds. You protect not only the country, but also the entire frontier of reality.
Protagonist: Lu Jiang, a high school student, personality: calm, average academic performance. He enlisted in the army and became a border guard. Later, he unexpectedly gained the power of Zhu Yan and became an important figure in protecting the balance of the world of mountains and seas and the human world.
