Certainly she had been hoping for a reaction that was a bit more positive. Even a thank you. She knew he was often rather cold to people, but the way he was with Ryuuko made her think that he was likely just cold on the outside. Perhaps she was mistaken. The movements he had made for such a simple surprise caused her to actually feel the need to back up from him when he spoke.
"Oh," she said, unsure of what else to say, "If you don't like it, I'll clean it up now then." She felt a little put off by this, and proceeded into the room without another word.