My Second Personality Can Actually Cultivate Immortality

One day, Zhang Qi realized something was off about his life. His haughty cat let him pick it up, a strange beauty started chatting with him, and all kinds of big shots appeared, claiming he could cultivate immortality and asking him for advice. His memories began to fade, and one day he even woke up in the middle of some ruins! Zhang Qi went to the hospital for a checkup. “Holy crap, I have dissociative identity disorder?” “Holy crap! My other personality can cultivate immortality!” “So, in a way, I'm actually a big shot!”