Ep. 8: Sisters battle for dominance as radiation spreads and secrets about Coppelion origins are revealed.

Kanon and Shion assault Ibara’s group, forcing others to hide while Haruto explains that Coppelions are radiation-immune clones with added abilities, and the Ozu Twins’ cruelty stems from their serial killer progenitor. The sisters capture Ibara with Ghost assistance, citing shared hatred from school days. Ibara escapes using a noise grenade and a tank, tricking Shion into trapping herself with liquid hydrogen. Kanon withstands the blast, using electricity to stun Ibara before revealing her motive: she wants Coppelions to replace humans after learning they will die. Ibara defeats Kanon with an electric cable, leaving the sisters tied up while No-sense comforts Aoi. Meanwhile, survivors at the Planet discover that Kanon and Shion’s placement of radioactive waste barrels is causing dangerous radiation spread due to an approaching storm.
Episodes
- Ep. 4 · Coppelions investigate radioactive dumping and race to save Denjiro from radiation sickness.
- Ep. 5 · Coppelions rescue survivors from Ghosts while PM Natsume refuses aid.
- Ep. 6 · Ibara and Haruto plan a rescue for Aoi while facing the mutated Ghosts.
- Ep. 7 · Haruto saves Ibara while Kunikida reveals a nuclear plot against the government.
- Ep. 8 · Sisters battle for dominance as radiation spreads and secrets about Coppelion origins are revealed.
- Ep. 9 · Ibara and Haruto devise a rail diversion to evacuate survivors while Kanon and Shion pursue them.
- Ep. 10 · Ibara’s team lures enemies to a park while allies fix power lines and Ibuki goes into labor.
- Ep. 11 · Haruto confronts Kunikida and sacrifices himself to save the train from the storm.
- Ep. 12 · Ibara's Team Escapes Station While Taeko Performs Emergency Surgery Amidst Tragic Losses