"Oh!" There's a surprised look in her eyes as Illya decided to wander the halls. Now that she's in her winter coats, she isn't as freezing as she was before. But the temperature was steadily decreasing at a fast rate, which, for her, was bad.

Very bad.

Very very bad.

Not that she would show it on her face as she beamed at his transformation. "Looks like you finally got it to work, onii-chan."