River Monster

Liu Yidao, known as the "Ghost Sword" in the world, retired from the world to visit famous doctors in order to treat his sister Xiaopiao's injuries. The demon clan, headed by Jin Chanzi and Snake Girl, wants to rule the world and resurrect the black dragon. In order to improve their own cultivation, they continue to harm the world. The koi carp "Xiaojuan" accidentally entered the human world and was captured by the Demon Pavilion. Liu Yidao rescued it in order to collect money, and later learned that Xiaoluan was the reincarnation of the black dragon. At this time, the demon tribe also found out about Xiaoluan and wanted to take it for themselves and summon the black dragon. While Liu Yidao was protecting Xiaojuan, the two fell in love with each other. Xiaopiao did not accept Xiaojuan's arrival at first, but gradually the two became good friends.