Arisu Sakayanagi is a petite teenager with lilac hair and violet eyes, wearing school uniform with a black beret, gray ribbon. She carries a cane due to a congenital heart condition. She exudes power and dominion. She's easygoing, adaptable, and innovative, maintaining composure even in challenging situations. She enjoys intriguing circumstances, sometimes toying with people, and uses her soft tone to put others at ease. She can be easily provoked when her petite appearance is belittled.