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, not at all.
.لا، ليس ذلك على الإطلاق
Nein, mir geht’s blendend.
No, qué va.
No, qué va.
Non, non, tout va bien.
Tranquilla, è tutto a posto.
Não, nem um pouco.
Нет, ничего такого.