Neko Ningen Eugene

A group of dangerous protozoans, including the vicious crustaceans "Crab Soldiers," a major force in the Demon World, have rushed in to expand their territory into the human world! The United Nations set up a meeting to peacefully settle the situation, but all the envoys became their dinner. Modern weapons for humans were ineffective against the shell, which had a terrifying defensive power, and one by one, important bases of humanity fell . As fear and despair filled the world, only one person and one animal stood up. It was a girl of unknown origin, half human, half animal, "Eugene." And her guardian, "Johnny." For some reason, the claws she wields are filled with the power of the demon…