Ibara and the Diversion Team are nervously waiting for the train to arrive when they are attacked yet again by the Ozu Sisters. After a fierce battle, Ibara manages to fend off the sisters and make it on board the train.
The Diversion Team find themselves in serious trouble when the 1st Division brings out their secret weapon, the Iron Spider. As Ibara tries to hold off the Ozu Sisters, Aoi is left with the task of stopping the Iron Spider alone…
The Coppelion set their escape plan into motion by dividing into two teams, with the Diversion Team led by Ibara, who is tasked with drawing the Ozu Sisters’ attention away from the others.
Haruto informs the group that a massive and lethal Zone is approaching the Planet. With time running out, Ibara comes up with a last-ditch plan to evacuate everyone from the area using an old abandoned train.
While heading to the hospital, Ibara and her team run into Cleanup Crew members Kanon and Shion Ozu, otherwise known as the Ozu Sisters. But to Ibara’s surprise, the Ozu Sisters turn against their former classmate…
While heading to their next destination, the girls encounter a father and his pregnant daughter being attacked by a group of armed men.
Many years after a great tragedy killed 90% of the people in Japan, three girls arrive in the ruins of Tokyo. In the devastated capital, their unusually clean clothes set them apart. But that's not the only strange thing about them - they also each wield supernatural powers. They call themselves “Coppelion,” and are on a mission to save the people of Tokyo.