Lelouch tensed when the guy moved closer, but as imposing as he was, it was hard to perceive anything overtly threatening about the action. It probably had something to do with the fact that he had just been feeding the park's sparrows with muffin crumbs, of all things, but as he pulled away again-- hm. Perhaps he wasn't a threat after all?

Lelouch took a deep breath and straightened, too, pulling his right hand away from the position on his left shoulder it had crept up to and resting it on his lap instead. "I wasn't-- nevermind," he sighed, frowning a little as he looked away from the stranger and to the sparrows gathered at his feet.

There were a lot of things he could think of to ask then-- why this person had considered himself guard material in the first place or why hadn't he at least asked permission first, to name a few-- but the one that eventually won out ended up being the simplest. "Do you have a name?"