"... Yeah," Riku agreed, and packed up the fork and tuperware. Something was up, he knew that much at least. You weren't best friends for nearly a decade and not know that. But... for some reason, Sora didn't want to talk about it.
Was it the hand holding thing? Sora had pointed it out yesterday. Maybe it bothered him? Maybe SORA thought, like Gokudera, that he was too familiar with him? Maybe it annoyed him, and he was afraid to tell him? Riku was very quiet on the walk back to his class.