Plot

Special Forces Wang Sheng traveled to the soul world and was possessed by the waste carp Yuan soul, becoming a veritable waste person in the soul world. Wang Sheng used the knowledge he had learned in the world of master spirits like Yun Yuan to pass the battle, and even found a way to evolve the waste carp Yuan soul. The sparrow becomes a phoenix, and the carp leaps to the dragon gate. Wang Sheng has embarked on a road of Jackie Chan from the sinister soul dispute.—Bilibili

Special forces operative Wang Sheng was transported into the world of Yuanhun (Origin Spirits). There, he was possessed by a useless spirit: a carp, becoming an infamous trash in the world of Origin Spirits. In this world filled with experts, Wang Sheng used the knowledge he acquires to surmount all difficulties, even finding a way to evolve his useless spirit carp. From a sparrow to a Phoenix, from a carp to a Dragon. In this sinister and vicious world full of disputes, he will make his own path towards success. Legends says that a carp who leaps over the the Dragon's gate will become a dragon itself. Through effort and courage, even an insignificant carp can defy its own fate and become a legend.—AniList

The world of soul is full of fantasies, miraculous beings and families of masters. Wang Sheng accidentally enters this world and is integrated with the dirty soul of carp. Ridiculed as he is, he holds tight to his belief and is dedicated to reversing the traditional understanding of the soul world.—Anime Made By Bilibili YouTube channel