Konoe would never stop being offended by the assumption he was a normal defenseless cat, but he also wasn't paying attention to the strange fishy (literally) human who walked up to him. He smelled like water and fish, and an almost salty something Konoe couldn't put his finger on; but his attention was grabbed by the ear comment.

"Yours look stranger. You don't even have a tail," Konoe pointed out, distracted from the one thug who saw a chance to try and rush the cat with a knife, only for him to leap backwards, growling.