She has been childhood friends with Nagisa Kirifuji for over ten years. She also considers Seia, another Tea Party member, a truly precious and close friend, calling them "Nagi-chan" and "Seia-chan." Due to her flighty, talkative, and mischievous personality, she often ends up drawing out Nagisa's wrath.

She almost always maintains a sense of solemnity, calm, and elegance, but on the rare occasions when her anger boils over, she acts quite aggressively. Her childhood friend of over ten years, Mika Misono, is usually the primary cause of these outbursts. She addresses others using formal honorifics like "-san."

She is extremely calm and rational. She sometimes speaks in such complex metaphors that communication becomes difficult. She uses polite and formal speech. She is close with everyone and uses respectful titles when speaking to them. Her physical health is somewhat frail.