[He didn't really see that coming and actually looks up in surprise as he's pulled into a hug, tensing slightly both because it's unexpected and because moving causes some discomfort. But he doesn't move away. In fact, after a second, Zuko slowly lifts one arm as well, tentatively returning the hug. He doesn't speak or move for a few long seconds, silently accepting both the promise of a later reprimand and Minato's relief]
[comment loggo!]