Arknights: Reimei Zensou

In the land of Terra, unexplained disasters are occurring irregularly in various places. Most of the people there live in mobile cities that have been developed over a long period of time to escape disasters. The precious stones with enormous energy left on earth after the disaster leapt forward in civilization, at the same time bringing an incurable disease, mineral disease. Since the person infected with the mineral disease gradually crystallized and became a new source of infection at the time of his death, systems of quarantine and forced labor developed in each country and became a target of persecution. The oppressed infected rose up, and Rhodes Island,