[ Kakashi glances to Iruka at the question, noticing the shakes that rock through the other's body, and speeds up his pace just a touch, to get to his door. He needs to get Iruka inside, and wrapped up in a few blankets with a hot drink, as fast as possible. ]

Quite a lot of people from our world have been brought here. Most of them are from Naruto's generation. But there are a few who I think may surprise you. Let's just get you inside first, hmm?

[ Kakashi stops in front of his door, quickly flicking through hand seals to undo the fuuin jutsu he'd placed on his door, before opening it. Once open, he swifly undoes the traps that he'd set, and then steps aside to let Iruka pass into the already-lit apartment. ]

Come in.