within Zero form a collective consciousness, manifesting as a mass of grimacing skulls, and are able to communicate with Kakugo and advise him in battle. His armored form resembles a red-eyed tokusatsu superhero with a long scarf similar to the Kamen Rider series. Capcom artist Kinu Nishimura had said that Kakugo was the main inspiration for Cyberbots protagonist, Jin Saotome. Kiyotaka Ishimaru from the Danganronpa franchise bears resemblance to Kakugo. Kakugo's older brother and the main antagonist of the series. Harara possesses the Fortified Armor Shell . Bonding with Kasumi caused his body to assume a hermaphroditic form and drove him to insanity, killing his father Oboro in combat and defeating Kakugo. Believing humanity responsible for the death of the environment, he has become determined to destroy all humans with the aid of beings known as Tactical Fiends. Like his brother, Harara has multiple steel balls embedded in his body which he can absorb to coat his body in metal and increase his strength. His signature technique, , draws energy from the Earth into a strike that can force an opponent's internal organs to violently erupt from their body. The Fortified Armor Shell Kasumi has a feminine form and is inhabited by the malicious spirit of Mei Inukai, whose endless hatred for humanity after her infant son was sacrificed during Kasumi's creation drives Harara's desire to exterminate humanity. After Kakugo defeats the Tactical Fiend Eikichi, Harara directly possesses Eikichi's body in an attempt to finally destroy Kakugo. In the ensuing battle, Kakugo manages to emerge victorious over his sibling, leaving Harara in a coma for most of the manga. Reverse Cross High School A girl who goes to the same high school as Kakugo. Although frequently called unattractive and chubby, Horie is a kind and bold girl who falls in love with Kakugo after witnessing him destroy the city's monsters. She is later kidnapped by Chidokuro and turned into a Tactical Fiend, thus forcing Kakugo to fight against her, until he kisses her, which results in her turning back to her normal self. Series creator, Takayuki Yamaguchi named her after Mitsuko Horie (whom he's a fan of), in fact, her name is actually an anagram for "Mitsuko". Horie herself would later go on to voice Tsumiko in the OVA. A feared delinquent at the school, he's a childhood friend to Horie and resents anyone who goes after her. Haoka initially