The kind of guy who just drifts through life not turning his head in either direction. He doesn't like his sister much, due to unknown reasons. Kirio also two friends at school, Noru and Tastua. Decided to house Q-Ko in his closet when she collapses but doesn't even bother to find out her name right away. Though Kirio is very aloof, he cares about his friends, and has a pervers sense of justice. Such as when he tried to kill the older boys who had injured Tatsuta. Pilots Q-Ko in battle.
