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.
Stop chatting and start carrying!
!كفاكما حديثًا وابدآ بحمل الأغراض
Nicht quatschen, ranklotzen!
Dejen de hablar y trabajen.
Menos hablar y más trabajar.
Smettetela di chiacchierare e datevi da fare!
Chega de conversa e mãos à obra.
Меньше разговоров, больше дела!