Evil

Jiang Yuan, a high school student who has always been kind to others, was in danger while trying to save someone's life on his way home from school. When he was examined at the hospital, he was found to have an incurable disease. He had produced a kind of catastrophic cell in his body. The cell division speed was 10 times that of normal cells. He could also be controlled by Jiang Yuan to continuously accelerate mutation and gradually replace all the cells in the body... Is this the evolution of new humans or a disaster for the world?