|September 5, 2058.|
|5'11" (180 cm)|
|170 lbs (77 kg)|
|Tibet-Himalaya United Kingdom Government
"Armistice Guards" Mercenary Group
|Leader of the "Armistice Guards"|
|Chapter 1 (In the Realm Beyond))|
|Sinners of the System Case.3 - In the Realm Beyond|
Guillermo Garcia (ギレルモ・ガルシア Girerumo Garushia) is simultaneously the leader of the mercenary group "Armistice Guards" and a professional negotiator hired by the Tibet-Himalaya United Kingdom Government to settle the current conflict.
Garcia is a male of average height and weight in his 50's. He has brown eyes, is bald and wears corrective lenses. He is typically seen in his military uniform, although sometimes in civilian clothing.
Initially perceived as good and kind, Garcia is actually a cunning and deceptive individual. While he desires peace, he will use any means to obtain it. He has a sharp mind and wide knowledge.
- Many people call him a hero because of his activity in various regions, while others see him as an opportunist and cold-blooded killer.
Garcia and Kogami are initially friendly towards one another. They meet when Kogami gets into a bar fight. After chatting, they seem to have commonalities so Kogami shares his plans. Garcia helps Kogami get to Tibet.
Belmondo and Garcia are co-conspirators in a plan to take control of Shambala Float. However, when Belmondo rebels, Garcia kills him without remorse.