警視庁 特務部 特殊凶悪犯対策室 第七課 -トクナナ-

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Set in a different Tokyo on a different world than ours, the story follows Tokunana, a unit of assembled misfits in the Metropolitan Police Department. Tokunana battles against "Nine" — an organization commiting crimes in their zealous worship of the dragons that once roamed the world.