At first, the Organization coat was what alarmed him, but upon taking a closer look he knew it wasn't anyone that he knew. It couldn't have been one of the members proper and after all, Axel - no Lea - still wore his coat. He wasn't wearing his own, but that was simply because he wasn't traveling through dark corridors at the moment.

At this point however, Roxas at least knew of Ventus, without actually knowing the other boy. He was aware they looked very similar, but yet, it was still unusual to be mistaken for someone else.

"Sorry." Roxas said with a nervous little smile, tryinig to be kind and suppress any annoyance that he might be feeling. "I'm not Ventus. I'm Roxas."