He flinches a little at that-not at the threat to him, since he'd been threatened quite a bit in his life and it was old hat by now-but to Ezio. It was the best thing to say to make him speak, because Ichigo has always cared about others before himself.

"...He only told me once, and I didn't believe him anyway. I don't know about any Order or anything like that-he just said he was an Assassin."

Defensive, even now.