Editing Apocalypse Zero (section)

===Others===
;{{Nihongo|Oboro Hagakure|葉隠 朧|Hagakure Oboro}}
:{{Voiced by|[[Hidekatsu Shibata]]| [[Tesshō Genda]] (Manga Video version); [[Tony Pope]]}}
:The father of Kakugo and Harara who was responsible for their training. After Harara is driven to insanity by bonding with Kasumi, he demands to fight his father. Oboro dons his own Fortified Armor Shell, {{Nihongo|Hyō|雹(ひょう)}}, and is killed in the ensuing duel.

;{{Nihongo|Shiro Hagakure|葉隠 四郎|Hagakure Shirō}}
:The grandfather of Kakugo and Harara, who created the Fortified Armor Shells and the Tactical Fiend technology for Japan to win the [[Pacific War]], causing thousands of deaths through his brutal and inhumane experiments. He was said to be executed by the Japanese government to cover up his experiments, but he secretly survived thanks to his science.

;{{Nihongo|Mei Inukai|犬養 冥|Inukai Mei}}
:A nurse working for Shiro Hagakure, wife to a [[Imperial Japanese Army|Japanese Imperial soldier]] named Shinobu Inukai. Both of them were murdered to use their son Tamataro for the creation of the Kasumi armor, but Mei's grudge reached the armor and infused it with hate towards humanity. It was only dissipated after Kakugo destroys the armor and Tsumiko redeems Tamataro's spirit through her love.