Bruno glanced up at Kiryu with a bit of a start when he heard him speak. It hadn't even occurred to him that Yuusei would have someone else over. Suddenly he felt a little bit embarrassed.

"Uh... hi," Bruno said, staring at the new guy he didn't recognize. His arms were still flopped vaguely around Yuusei's shoulders. "Who are you?"

It wasn't any kind of accusatory or leading question, he was just genuinely clueless.