Sizuru is another heroine of Rewrite who is a shy girl on the public morals committee at school, and is one year younger than Kotarou. She has heterochromia, though wears an eyepatch over her golden-colored right eye, making this impossible to tell; her left eye is blue. Though she does not speak much, she often gives off plentiful facial expressions, and Kotarou can decipher these along with her behavior and gestures to carry on a conversation with her.