Keishicho Tokumu-bu Tokushu Kyoaku-han Taisaku-Shitsu Dai-Nana-ka: Tokunana - File.0
警視庁 特務部 特殊凶悪犯対策室 第七課 トクナナ File.0
This manga serves as the origin story for Tokunana, focusing on a team of unconventional and rough police officers who frequently create chaos in the course of their duties.
