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.
No, I mean... Wait!
!كلاّ، أعني... مهلاً
¡No…! ¡Ah…!
¡No… ah…!
Ah... no... ferma...
Não, espera...
Нет, минутку... А-а-а!