A week later, Kerron is handed off to Addy for "magic lessons" and Nathan announces that they'll pick him up in an hour, that being the best time to do so. They go back to their room. To... test the soundproofing.

But this is not their room, this is Milliways.

"Huh," Nathan says. "...We could spend days in there and Kerron wouldn't even miss us."