The male protagonist thought that the female protagonist had cheated on him, so he went to the bar to get drunk and became a vegetative state on the way back. He came to a parallel world, similar to the world he lived in, where he met a girl with the same name as the heroine, who was similar but different from "her". When he wanted to kiss her for the first time, she pushed him away.
"A Sheng, I will wait for you in three years."
"Don't go!"
Concept: Seeing is not necessarily believing