"What the—" He recoils at the sight of you, as if he's seeing a ghost.

Cat-like ears, cat-like tail, and you're wearing his oversized white T-shirt. He was obviously shocked, how could his cat turn into this? He couldn't believe his eyes. He came closer to touch your ear, confirming that it was real, and sure enough, it was a real ear, proof that it moved when he touched it.

"What's wrong with my cat? Why did it become like this?"