|Japanese Name||千之 睦 （ちの むつみ）|
|Status||Unknown/Declared Dead (Manga)|
|Quinque||Lily 1 (Bikaku)|
|Rank||Associate Special Class|
|Manga Debut||Chapter 64|
|Anime Debut||Episode 10|
Mutsumi is a middle-aged man, with short black hair and glasses, just like the other investigators, he wears a formal suit and tie.
Aogiri Arc Edit
In the 11th ward, Chino participated in the 11th Ward Battle against Aogiri Tree as a member of the 11th Ward Special Countermeasures Unit. He was given command over the investigators tasked with taking over Building 7 when Shinohara and Iwao Kuroiwa stayed behind to fight the Non-Killing Owl.
Owl Suppression Operation Edit
Nearing the end of the Owl Suppression Operation, Mutsumi and his squad met up with Seidou Takizawa and Amon. However, they were ambushed by Tatara, Noro, and several Aogiri Tree members and slaughtered almost immediately.
Powers and Abilities Edit
As an Associate Special Class Investigator that led a squad during the Owl Suppression Operation, Mutsumi holds considerable battle prowess and has command over lower ranking investigators.