Kira Seijirou (吉良星二郎) was one of the main antagonists in the second season of the Inazuma Eleven series. He is the father of Kira Hitomiko.
He made the Aliea project with help from Kenzaki Ryuuichi that utilized the Aliea Meteorite. He used the meteor to make powerful soccer players. He said his purpose of doing it is because he wanted to get revenge for his deceased son named Kira Hiroto. In episode 44, he mentions Alien Gakuen as the making of "gu" poison in which there is a survival of the fittest. Later, he was arrested by the police after the Academy collapses by the hands of Kenzaki Ryuuichi who took eleven pieces of the great Aliea Meteorite.