[Sharing the laugh with her was nice, which is why he doesn't notice when she stops, at least right away. As soon as she says that, though, he tenses up and jumps to his feet, grabbing his sword from the ground.

He's not even going question how she knows that. He's going to take her word for it and be ready to kick some one's ass. No one fucks with Rin's friends. Not even ones he just made!]

Th' hell is some one tryin' to get in to your house for?!