[He could sense Haruka's presence even before he entered the building, although the was a given. What leaves Zero on the anxious side is already what and where their conversation may lead to. It's no question at all by this point, and skirting around the real issue is becoming much ore of a challenge.
After one last shot, he turns to properly face him.]
Yeah. I'd like to, but I don't mind that they go off on their own for now. They can get in touch with me if they want to meet up again.
[Ai and Ren have a great deal to talk about; not that he and Yuuki don't as well.]
I wanted to go shopping for the dinner we're all having tomorrow night.
[The fact that Haruka is both welcome and invited goes unsaid. He should know already.