Aww! And yet most of the rest of the island should have worried about Harley waltzing into their houses, considering her track record.

Anyway, Harley saw the message, and made an excited noise, and skittered to a window to poke her head out of it --

Nope, wrong side! So off to one of the windows towards the front of the building she went, and opened that one so she could lean out of it and peer down.

And there he was!

"Yoo-hoo, Mr. Delivery Man! Catch!"

Because she was dropping her keys down for him, yeah.