Hisako (久子 Hisako?, "Eternal Child" or "Everlasting Child"), born as Chiharu (千春 Chiharu?, "One Thousand Springs"), is the sixteenth character of Killer Instinct (2013) and the seventh character of Season 2. She is a naginata-wielding spirit girl who is referred to as an Onryō (怨霊), or "Avenging Ghost".