Zhou An has no memories from before the age of seven. All she knows is that she was an orphan taken in by her third uncle and Zhou Ping.
The psychiatrist says she's mentally ill, but wouldn't she know for herself if she were?
She comes to Cangnan for a follow-up examination, but one night, something called a System appears in her mind.
How can things from the novels she reads show up in real life?
System, are you really a System?
And is she really herself?