C28 Strange man

When I heard the knock on the door, I went over to take a look. There was a young man at the door who looked alright. Who was he looking for?

I didn't think about it so much, and it didn't look like anything strange, so I opened the door.

"Hello, are you Zhang Yunya's boyfriend?" The man asked with a smile.

"Yeah, you're Zhang Yunya's friend?" As soon as he said that