Gu Fan unexpectedly obtains the "Mind Controller" System, which lets him enter anyone's inner world at will and easily change their worldview, thoughts, and interests.
A wealthy businessman: "Dr. Gu, I'll pay you ten billion. Please, save my child. They have dissociative identity disorder and depression, and they're prone to violence..."
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.