[ Honestly, he could have done something creative here like perhaps sitting on the side of the wall and come over the edge back onto the roof when he heard her. But he didn't want to test his endurance in a do or die situation like that just for a gag. Either way, he's out that night with a coat and gloves (it's been getting colder) on, a little bottle filled with green liquid in his hand. Either way, he hums with pleasant surprise to see her here, waving as he bows in greeting. ]
[Action]
Zuko-chan.