She frowned at his back as he stuffed the broken device in his pocket and walked out. What a wasteful kid. He must really be rolling in it to throw things around like that... not that she didn't know that anyway. After a moment's deliberation, she hurried after him - at a distance, of course.
"I'm not trying to tell you your business, but can't you pick on our senpai? They're mostly obnoxious anyway and I don't want any more work. Come on, Shirai, I got you straight As when we partnered up in Science last year."
Sure, she only chose to partner with him because she wanted someone who wouldn't mess her work up by trying to help, but they both came out top of the class anyway...