The background is in the future, where society is dark and technology is advanced. Some human genetic mutations can use elemental power. Humanity's top leaders secretly carry out biological experiments to study elemental power. Kai was originally a scientific researcher, but he had light and dark elemental power that was different from ordinary people. He was captured by the top management to study it. He finally decided to rebel against the top management and create a world where mutants and normal people coexist.
