The Demon Lord Is a Young Boy

Introduction: As soon as Tang Heng was bound to the [Enter the Peak System of Immortal Cultivation], he was "forced to betray his master" and work as an undercover agent. Unexpectedly, his contact person, whom he had never met before, died when good and evil were fighting each other. Unknowingly, Tang Yan completed the system tasks while "hiding his identity" and worked undercover in the Demonic Way for three and three years... Six years later, Tang Yan, who married the Demonic Lord's son and became the Demonic Lord's son-in-law, and inherited all the property of his father-in-law, the Demonic Lord, was stunned. "When did this hidden mission come to an end??? You have become a demon lord, and you are undercover in your own base camp??" -------- System prompts: The host is asked to remember the rules of cultivating immortals and change his mind and become a new person. Cultivation of immortals, not demons, is safe for you, me and others. The "System to the Peak of Cultivation of Immortals" is here to serve you. This article is also known as "Undercover Becomes a Demon King and Still Becomes a Second-Five-Year-Old Boy"/"The Garbage System Destroys People Untiringly" "I Like to Be a Father, I Love Myself" Purpose: Clean yourself up and reach the peak of life