Kouichirou Oota

Ota is the main teacher of the school and later the secondincommand of Exelion the spaceship used as headquarters for missions in space. Ota completely trusts Noriko and her skills that will allow her to pilot the Gunbuster an extremely powerful robot able to effectively contrast the aliens. Moreover Ota was one of the crewmen of Norikos fathers ship during the unlucky battle in which he died admiral Takaya refused the last chance of escaping and let Ota go instead. Probably due to this Koichiro holds Noriko in great esteem and trusts her.