Touko and Kouji follow a treefolk child into a forbidden area of the capital, where they make a startling discovery. But the spies of the gods are hot on their heels.

War looms over the capital, and Koushi's work with for Yuoshichi Okibi is coming to a head. On the eve of their new weapon's final test, two unexpected visitors complicate the situation. Who can Koushi trust, and what does he truly want to accomplish?

Hinako's illness worsens, provoking a crisis at the Okibi mansion. Meanwhile, Touko joins Akira to confront the gods. New forces and unguessed truths emerge as Flickering Flame draws ever closer.

Fiends flood into the factory district ahead of the spider invasion. Despite Akira urging her to run, Touko stands her ground and joins the fight. But what toll will a real battle take on her? And can anyone stem the tide now?

Koushi struggles to load and operate the Lightning Cannon, but both the gods and the spiders have other ideas. Meanwhile, a chance encounter leads Touko to witness a startling scene.

With the fighting continuing unabated, the treefolk from the forbidden quarter are drawn to the surface, where they encounter a familiar face.

While each divine clan pursues a separate goal, visions of the Flickering Flame lead Touko and Koushi toward the palace. But who is she really, and can they trust her guidance?

Takimi confronts Koushi on the palace steps. The medically minded god insists that only his medicine can save Hinako, but Koushi refuses to let his sister suffer any more experiments. As tensions mount, Kira appears—seeming not quite herself.

Yuoshichi is on the rampage, seeking revenge against the divine clans, but with the Flickering Flame now residing within his own daughter, what lengths will he go to in order to achieve his ultimate goal?

A fallbeast suddenly descends on the divine palace, adding to the ongoing chaos. Touko instinctively knows that she must hunt it.

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