In 2023 in Tokyo, Prime Minister Eiichi Higashiyama pushes for COMS at the World Environment Conference. COMS is a method to liquify pollutants and store it in the crack of the sea floor. Eiichi gathers young and talented bureaucrats and launches Japan Future Promotion Conference, which is to benefit the future of Japan. Keishi Amami of the Ministry of the Environment and Koichi Tokiwa of the Ministry of Economy, Trade, and Industry are members of that conference.One day, Yusuke Tadokoro’s article is published in a magazine, which warns that Kanto region will sink into the sea..