She is an orphan with only one friend, Mu Sisi. One day they made an appointment to buy a poster of Alan, the actor who plays Snape in HP, and encountered a car accident on the way back... She came to a strange time and space, but met a group of familiar people. She came to the world of the book and met the real Snape in the book. She decided to change Snape's fate...
Intention: