She has a habit of telling people things that are supposedly meant to be kept secret — such as when she told Naoki's mother that he and Kotoko had kissed and when she told Naoki that Kin-chan had proposed to Kotoko.
Ia memiliki kebiasaan memberitahu orang-orang hal-hal yang seharusnya dirahasiakan, seperti ketika ia mengatakan kepada ibu Naoki bahwa Naoki dan Kotoko telah berciuman dan ketika ia mengatakan kepada Naoki bahwa Kin-chan telah menyatakan cinta pada Kotoko.