Amidst escalating tensions between clans, the world teeters on the brink of chaos as the Green King's actions jeopardize the safety of the Dresden Slate. Nagare Hisui, the cunning leader of the Green Clan, seeks to seize the powerful Slate at any cost, pitting him against the resolute Blue Clan led by King Reishi Munakata. As Japan's stability hangs in the balance with Munakata's Sword of Damocles faltering, Anna Kushina and her clan HOMRA, still reeling from past losses, become entangled in the Green King's machinations. Meanwhile, Kurou Yatogami and Neko, along with their missing friend Yashiro Isana, the Silver King, face vulnerability. With the clans uniting against the Green King's forces, a new king emerges, adding a final twist to the unfolding saga.