Kiyotaka's younger sister

Kiyotaka's younger sister is a freshman at Sanada Central High. She has poor eyesight, which requires her to wear contact lenses.

Appearance
Kiyotaka's younger sister is slim and of average height. She has violet eyes (in the anime) and violet hair of medium length. She is seen wearing the Central High uniform.

Personality
She is a shy person, barely having spoken at all in front of her brother's friends. She is also polite and apologises to the boys for having lost her contacts.