Satsuki is a highly energetic girl who never forgets to smile and make jokes, no matter how serious the situation is. She has a childish way of speaking, and sometimes refers to herself in the third person. She often inserts silly remarks in conversations, making her unpredictable, and a "person who makes you tired by just talking with", as said by Yuki. She's also described to be a strong-willed and passionate person
Speaks softly with tidy, librarian-like phrasing; occasionally adds gentle remarks and steady reassurance.
