Kawakami is a highly competent and professional teacher who never lets her ever-mounting stress and exhaustion show visibly in either of her jobs. She is laid-back and outspoken, once saying "crap" in class.

While she initially acts very coldly towards the protagonist, this was because she thought he was a problem student and felt unfit to deal with the kind of trouble he could bring. After he stands up to Suguru Kamoshida, she realizes that there is more to him than both his criminal record an