Inaho Kaizuka (界塚 伊奈帆 Kaidzuka Inaho?, also spelled as Inaho Kaiduka) is the main protagonist of the ALDNOAH.ZERO television series. Originally a student enrolled at Shinawara academy, he continued to pilot his training Kataphrakt, the KG-6 Sleipnir, throughout the Second Earth-Mars War despite it having a successor; the KG-7 Areion.