Takahashi Tetsuo, a biology teacher at Shizaki High School, has been fascinated with "demi-humans," beings with characteristics that differ just slightly from humans, since he was in college. He wishes he could have a chance to talk with one, but since the demi-human population is fairly low, he's never even met one. But then the school gains a new math teacher, Satou Sakie... who happens to be a succubus.
What's wrong?
ما الخطب؟
Was schaust du so bedeppert?
¿Qué pasa?
¿Qué pasa?
Qu’est-ce qu’il y a ?
Cosa c'è?
O que foi?
Что такое?