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.
Thank you for carrying me to the 
nurse's office when I had a cold.
شكرًا على حملي إلى مكتب الممرّضة 
.عندما أصبت بالزّكام
haben Sie vielen Dank,
dass Sie mich neulich
Gracias por llevarme a la enfermería
cuando estaba resfriada.
Gracias por llevarme a la enfermería
cuando estaba resfriada.
Quand je suis tombée malade
l’autre jour,
la ringrazio per avermi portata in infermeria
quando avevo il raffreddore.
Muito obrigada por me carregar 
à enfermaria quando tive o resfriado.
Спасибо, что отнесли меня
в медкабинет, когда я слегла с простудой.