RE:FATE awakening a heroine timeline deviation system

Leon died once. After spending his first life bedridden in hospitals, he thought death would finally bring him peace. Instead, he opened his eyes in a new life. A healthy body. The same name. A world that appeared ordinary. For the first time, Leon could walk beneath an open sky, attend school, and live a life he had never been given before. There was only one problem. He could not speak. And not long after beginning his second life, something appeared before him. A system.