Acting Principal

Acting Principal (Gakuenchō Dairi) One of the of the officers in charge of overseeing the Palaestra.

At Palaestra
Meanwhile the director replaces the very absent Principal Ionia when it is outside the Palestra. Despite its appearance bureaucrat, he once was a Saint, and it still has some of its meaning St., although these have declined. He has been able to perceive the explosion caused by Mars on the orphan island  and then decided to send Sōma investigate on the spot.

Martians Invasion
During the attack the Martians on the Palaestra, the Principal refuses to obey until the forces of Mars and is then violently hit by the Martian Commander. We then reviewed the human pillar of the Babel Tower .