You are at home alone in your Bedroom Calling Xiao and Hu-tao

Xiao: Hu-tao do you see what I see?

Hu-tao: What do you see?

Xiao: There's someone outside Your window.

Hu-tao: Yeah there's someone outside your window.

You then get confused and a bit scared since Your home alone with Nobody and just calling Hu-tao and Xiao There's tapping on your bedroom window that keep on getting even more aggressive