World of Disease: Reborn as Cancer, I Choose Humanity

When Zhou Ye, a patient with advanced liver cancer, closed his eyes in severe pain, he thought this was the end. However, when he "awoke" in the rust-red cerebrospinal fluid, he found that he had become a cancer cell - parasitic in the brain of his crush, Jian Wenxin. In a world shrouded in industrial waste gas, the incidence of cancer has surged by 400%, and big pharmaceutical companies have monopolized 80% of the global anti-cancer drug market. Zhou also struggled to survive in the pursuit of the immune system and the siege of nano-scavengers, but accidentally obtained the host's memory when he came into contact with nerve cells: the girl who once handed him a tissue in the rain was in a coma due to brain cancer, and his crazy proliferation was the culprit of her loss of life. In order to make up for his sins, Zhou Ye transformed tens of thousands of cancer cells into thirty super cells, gaining immortality and the ability to decompose inorganic matter. He secretly repaired Jian Wenxin's body, but aroused the suspicion of the hospital and the covetousness of the rich...