Kilo

 is a member of The Wall and its top infiltration and espionage agent.

He is first seen when The Wall assists in Mamoru Hijikata's show of force at Shinjuku Gardens, posing as a Tokyo native and entering a group of mercenaries after Mamoru's bounty.

History
Several years ago, Kilo was happily married to Serena, with whom he had a daughter, Cindy. However, Cindy was killed by a terrorist bombing, which left their relationship strained. In their grief, they joined The Wall.

Abilities

 * Knife skills: Kilo uses knives as his weapon of choice, and can leave attacks that can be mistaken as Mamoru's.
 * Fluency in multiple languages: As The Wall's top infiltration and espionage agent, Kilo seems to be multilingual. Despite not being Japanese himself, he was fluent enough in Japanese to pose as a Tokyoite and infiltrate a group of mercenaries after Mamoru's bounty.