|Public Safety Bureau (former)|
Inspector Akane Tsunemori
|0115 The Town Where Sulfur Falls|
Kozuki is a male of average height and build who appears to be in his 20's. He has blue eyes and dark blue hair. He is typically seen wearing a black suit, white dress shirt and black tie.
He shares a close relationship with Aoyanagi, having "effortlessly and painfully dated with the Inspector." Despite this, Kozuki still tries to flee and is killed by her under the direct orders of the Sibyl System.
Kozuki and Sasayama often play cards together and seem to be friends.
- He is younger than Aoyanagi, but has been working alongside her for many years.
- His seiyuu also voices Kirito Kamui.
|Joshu Kasei - Harumi Hosorogi|
|Akane Tsunemori - Mika Shimotsuki - Kiyoka Tedzuka - Yuan Kira - Fuse - Arata Shindo - Kei Mikhail Ignatov|
|Shinya Kogami - Tomomi Masaoka - Nobuchika Ginoza - Yayoi Kunizuka - Shusei Kagari - Mitsuru Sasayama - Sakuya Togane - Sho Hinakawa - Kaede Hasuike - Teppei Sugo - Kenta Yatsuka - Ryoichi Naito - Ryunosuke Hirako - Kazumichi Irie - Tenma Todoroki - Mao Kisaragi|
|Risa Aoyanagi - Mizue Shisui - Masawa Shimomura - Tetsuji Bando - Norimasa Inogashira|
|Ryogo Kozuki - Akira Yamatoya - Kasumi Senoo - Tochigi Morikubo - Kenji Inokuma - Shin Kanoe|
|Moe Suzuki - Shuichiro Domoto - Yoshitoshi Waku|
|Kaname Shinjo - Tetsuya Hyodo - Tsubaki Aikawa - Takayuki Haga - Koichi Hatano - Mai Momota - Ayaka Takami - Naoto Kurata - Hina Amari - Tsubasa Torii|
|Shion Karanomori - Joji Saiga - Maru|