Kazusa is shown to be an easygoing individual. She cares deeply for her friends and is very aware of how she portrays herself while being out in public.

It is later revealed in A Tale of After-School Sweets that she was a former gang member who was highly revered through the name of Cath Palug. After coincidentally seeing a girl living her life as a normal school girl, Kazusa chose to abandon her ways of a delinquent. She wishes to not bring up her past as she found it embarrassing and believed