What is the ending of the novel "I am missing in your world"

The ending of the novel "My whereabouts are unknown in your world": If a student disappeared by train, he would have lost his memory after being found.

Basic introduction:

Mu Zi's "My whereabouts are unknown in your world" tells: If I knew it, from the moment I boldly told Qin Mo that I liked him, everyone was waiting to see her jokes. Laughing at her, who is Qin Mo? How can you like her? And she really loves him too much, and follows him every day, eating, having meetings and going on business trips, and being inseparable.