Satsuki is a petulant and stubborn girl that  can be quite mature for her age. She cares a lot and is protective of her little brother Keiichirou. In the absence of their mother Kayako, she has helped raise Keiichirou and has become a beloved sis for him. She also does the housework, which she refers to as the "work of a housewife." Because of Keiichirou, she tries to look strong in order to protect him, such as trying not to be scared when she actually is. From 2001. MC of Ghost Stories