- Voice Actor (CV)
- Ai Kayano
- Gender
- Female
- Age
- 17
- Birthday
- December 25
- Role
- Protagonist
- Identity
- A top-ranking honor student in Class 3-3 at Aoba High School, and the very first participant—designated Subject No. 001—ever enrolled in the ReLIFE experiment program
Personality
socially withdrawn
academically gifted
composed and logical
awkward when smiling
Chizuru Hishiro is renowned throughout Aoba High School for her unmatched academic performance, yet her profound difficulty in connecting with others has kept her isolated from her peers. Behind the scenes, she holds the distinction of being ReLIFE's inaugural test subject—a role that ended in failure precisely because her inability to communicate made the experiment unsustainable. It was only through her gradually deepening bond with Arata Kaizaki that she began to grasp the nuances of human emotion and take her first genuine steps toward friendship, revealing a sincere and quietly determined spirit striving to change.