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.
I'm fine, so please don't worry about me.
.أنا بخير، لذلك لا تقلق بشأني
Estoy bien, no se preocupe por mí.
Estoy bien, no se preocupe por mí.
Io sto alla grande, non si preoccupi per me.
Está tudo certo para mim, 
então não se incomode!
Не волнуйтесь, со мной всё хорошо.