Chizuru Hishiro

Birthday: December 25
Blood type: B
Age: 17

A student of in Year 3 Class 3. She is really smart, always getting the highest scores amongst girls in her grade, and lacks social skills.

In chapters 111 and 112, it is revealed that she is Yoake's first ReLife subject, and is suspecting that Kaizaki is also a ReLife subject.