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.
Let's see...
عفوًا... أنتِ ماتشي كيوكو 
من القسم 1-ب، صحيح؟
Ähm …
Este…
Esto…
Euh… Tu es Kyôko Machi, c’est ça ?
Ehm... tu sei Kyoko Machi della 1-B, giusto?
É...
Э...