[Kamui hated talking to teachers. Not that Kamui-sensei usually gave him a reason to be nervous -- he really liked her, to the contrary, but he was still nervous, he never had a lot of luck with teachers in the past. Not when he was asking them to shuffled around a test date.]
[Still, it wasn't like he felt he had much choice. As Karen approached, he stepped away from where he was hovering nervously near the wall and spoke.] Ah-- excuse me...