In the near future, humans, who still have various problems both internally and externally in politics, religion, resources, and the environment, are singing the praises of their relative prosperity. However, at this moment of coming to an end, the source of the mutant feather insects that are spreading all over the world is drifting with the ocean currents. People who are aware of these mutants have formed an international confrontation organization - NIDFAD. In 2015, can NIDF defeat the "Hatian" legions of mutants that appear all over the world?