[ Kakashi looks down at the offered hand, unused to this sort of gesture, which they don't normally do back home. But after a moment, he reaches out and clasps Levi's hand, giving it a good squeeze. ]

You're welcome.

[ A shake, and then he lets go. ]

I'm in apartment 36. If you need to get in touch privately, without it being on the network, just slide a message under the door.