"...No, I definitely remember being annoyed. He made fun of Kurou for following me everywhere. And when I won the kendo match... it looked like he was unhappy about it even though we were still tied for wins." So... they must have been competing. That was probably normal for siblings, right?

But there was something else... He frowns slightly as he tries to recall it again. Yuusuke had said something that struck him as odd, but he fell asleep so soon after he got his memory back. Just what was it...?

"...He talked about some kind of trick back then, too. A trick to use as a... something."