Yukio Uchiha

Yukio Uchiha is the twin sister of Itachi Uchiha and the older sister of Sasuke Uchiha. She always wanted her father to recognize her like Itachi did, but that never happened. She eventually disappeared one day, leaving the clan and village and only returning the day before the Uchiha clan massacre. She is cold and cruel, rarely shows emotions, and has the Mangekyō Sharingan.