[He's grinning just like that] Awesome - glad to hear it. That was just off my cuff anyway.

[He takes note of her 'attire'] Well... unless Kazahana knows what you look like, I doubt it was what you look like so much as ... well friendships between girls and guys... lots of people don't believe that it's just friendship, you know?

I believe you of course, but that's probably why Kazahana flipped. She probably didn't believe you're just friends.