Oh, I see. --but then that means you won't have to go alone if your classmates are bringing you! That's good! I believe there are going to be lots of other people going to the prom, but it's always nice to have your friends with you as well. That way you can't get lonely!

[Not that he seems the type to get lonely. In fact, he looks more like he'd rather appreciate being alone, but Natsuki is too much of a chipper person to assume things like that. (aka he's kind of too dumb to notice the obvious here).]