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.
Yay! Where should we go? 
What should we drink?
أجل! أين يجدر بنا الذّهاب؟
ماذا علينا أن نشرب؟
Supi!
¡Genial! ¿Adónde vamos?
¿Qué quieres beber?
¡Genial! ¿Adónde vamos?
¿Qué quieres beber?
Ouais ! Dis, on va où ?
Tu veux boire quoi ?
Evvai! Allora, dove andiamo? Cosa beviamo?
Eba! Aonde vamos? Beber o quê?
Класс! Куда пойдём? Чего ты хочешь?