There Is a Demon King in My Body Who Forces Me to Practice Immortality

Chu Xiao traveled to the world of cultivating immortals. As soon as he came up, he met the ancient demon king who was trying to seize his body. As a result, he was forced to share the same body. In order to survive, he made a blood oath with the Demon King to feed the demon with his spiritual energy every day, but he also gained many unexpected abilities. Open a spiritual food shop, use modern business ideas, and earn spiritual stones from fellow apprentices. Who could imagine that this body has a bigger secret... The master taught him: He went on a journey to become an immortal, with countless opportunities, just for the sake of immortality.