[ He nods in agreement at Satoko's assessment. Something cute would easily hold Rena's attention, but that could be a double-edged sword. She might grab it, run off, and forget all about Rika.

And what he wants to do is make sure Rika hears Rena talking about how important she is to their club... to her personally. ]

My superpower, huh? I think I have an idea what you're saying, Rika-chan. But if you have something specific in mind, I'm listening.

[ He can think of one thing in his pocket that, while a little embarrassing to show off, might make Rena swoon. ]