Keishicho Tokumu-bu Tokushu Kyoaku-han Taisaku-Shitsu Dai-Nana-ka: Tokunana
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.
(Source: Anime News Network)
Episode 1 - One Brings Bad Omens, Seven Brings Good Luck
Episode 2 - The Two Investigate
Episode 3 - The Threefold Trap
Episode 4 - Family of Four
Episode 5 - The Fifth Seal
Episode 6 - The Six-Minute Battle to the Death
Episode 7 - The Seventh Day is for Idleness
Episode 8 - The Eight-Foot Escape Route
Episode 9 - Nine Years' Rage
Episode 10 - The Tenth Dragon
Episode 11 - The Eleven O'clock War
Episode 12 - From Zero to Seven