Chizuru Hishiro is a fictional character from the anime and light novel series ReLIFE. She is a high school student known for her intelligence and reserved personality. Chizuru struggles with social interactions and often feels isolated from her peers, which affects her ability to form friendships. Despite her challenges, Chizuru is a kind and caring individual. Throughout the series, she develops a close relationship with the main character, Arata Kaizaki, who helps her navigate her social difficulties. Her character represents themes of personal growth and the importance of connection in overcoming loneliness.