She was not nearly as observant as she wanted to think.

Chisaki switched their positions, pulling forward and tugging her arm away from his. She grabbed him by the wrist and with a flustered look, she began to pull him along towards the kitchen. She stomped into it, before she let go of his wrist, and turned around. She looked at him and nodded. "I got a surprise for you," she said. If it was supposed to be a sexy or cute surprise, her tone of voice did not betray that. "Close your eyes."

But this was Chisaki. She walked to the kitchen cupboard, assuming that he would obey her command. If not, he might catch her hand moving towards the whipped cream can...

And then she spun around, pulled out the bread crumbs she grabbed, and hurled one into his hair with perfected aim. "Yes!" she cheered. "I've still got it!"