My Ghost Hunting Girlfriend

She seems to be an ordinary person but is a genius ghost hunter. Her grandfather gave her a task to protect a boy who has nothing to do with him. The old teaching building, the immortal girl, the cry in the middle of the night. "Oh, as long as I'm here, you don't need to be afraid. Listen, she is the one who belongs to Sister Zhao. If you dare to hurt him, just give it a try!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.