To be honest, he ran around town screaming and yelling and occasionally losing a limb until the girls could help him remember who he was. And when they remembered why he was so dead set on some specific thing, and person, they ported back to the school with him in tow, on the town's belltower... well, bell.

[ ... Long, long story. ]

He was the father of our headmistress. Turns out they... really needed to talk.