Kūkaku is violent and very aggressive, often scolding and beating those who annoy her. Kūkaku has been known to change the location and design of her house without warning. While the actual design changes, the theme is consistent and the houses are recognizable from a single glance. Yoruichi notes that she prefers to live away from built up areas, where it is quieter. Kūkaku smokes using a pipe. Additionally, she is respectful of her deceased brother's memory.