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.
Is it that unusual?
هل الأمر غير عاديّ لتلك الدّرجة؟
Ist Ihnen das so fremd?
¿Es tan raro?
¿Tan raro es?
C’est si rare que ça ?
È così strano?
É tão incomum assim?
Это так необычно?