Border Watch

If separation is fate, I will use my body as a boat to cross the abyss, sail through time, and find you at the end of thousands of laws. Lin Ting never thought that the crab stone he received from his childhood sweetheart when he was six years old was not an ordinary antique, but the key to another world. He and she, as well as a group of partners who share life and death, jointly shoulder an ancient and secret mission, becoming "night watchmen" in the gap between the two worlds, guarding the fragile border.