After getting drunk, he mistakenly mistook his sister-in-law for his wife!

Story of: After getting drunk, he mistakenly mistook his sister-in-law for his wife!

On the night of the proposal, Xu Yang was broken up by his ex-girlfriend.
Then, feeling depressed, he went to the bar to get drunk.
He didn't remember much about what happened that night. He only knew that when he woke up, there was a stunning beauty lying next to him.At first glance, it looks familiar.
Isn't this his ex-girlfriend's sister?
And it looked like she was about to wake up!
What should I do? I’m waiting online very urgently...