Does that make us a tag team now...? I didn't even accept your offer yet. Usually, when you're trying to add someone to the party, you have to give them a present or raise a certain flag, like in some games. Or sometimes, you would have to keep asking diligently until they say yes. Are you ready for the hurdles of adding me to the team, Nidai-kun?

[ It's meant to be a joke, but at the same time it's a bit of a test of his mettle to see what kind of response he'll make. Perhaps it will be favorable. Not that she wouldn't say yes to being a part of his team... he is her friend and classmate, after all. ]