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.
Yeah, that's what I thought— You will?!
!عرفتُ أنّ سترفضين— موافقة؟
Dachte ich mir schon …
Eso pensé… ¡¿Sí?!
Lo suponía… ¡¿Muy bien?!
Je le savais… Tu veux bien ?
Già, immaginavo non avresti— Davvero?!
É, imaginei... Claro?!
Понимаю, не хочешь... Правда?!