Kasumi felt relieved almost instantly with him allowing her to be able to explore. Her worry only returned when she noticed a smirk come upon Kanpeki's face. She scowled at the thought of being someone else's 'treat' not really liking or really knowing what that would be like. "Is... that true?" Kasumi asked towards Shiro. SHe did notice how upset Kanpeki was, and was rather confused.