Place this announcement at the reveal point of the edit, right after the shot of the empty doorway. Follow it with a bruh reaction for the friend who waited longest, then finish with a cheer for Kolya's entrance.
About this sound
This four-second clip announces in Russian that Kolya arrived in Piter at exactly 16:31. The oddly precise timestamp turns a simple arrival into a deadpan bulletin, which makes it feel funny and slightly absurd, like breaking news for one friend's trip. It works best when that specific name and city are the whole joke.