Tianmu Seals the Devil's Record

In order to retrieve the ancient artifact Kunlun Mirror, Erlang Zhenjun Yang Jian went to Tianmu Mountain to hunt down the demon fox, but was blocked by the goddess Longtan. After a fight, the two burst out their true feelings, but at the same time they opened the door from the human world to the devil's world. What efforts will they make to seal the door to the demon world?