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.
Oh, Machi-san, you watch videos online, too?
ماتشي-سان، هل تشاهدين الأشرطة 
على الإنترنيت أيضًا؟
Hey Machi …
Machi-san, ¿miras videos en Internet?
Machi-san, ¿ves vídeos en Internet?
Toi aussi, tu regardes souvent
des vidéos en ligne ?
Anche tu guardi i video online, Machi?
Ah, você assiste a esses vídeos da internet?
Мати, а ты смотришь
всякие ролики в интернете?