Suzuki Iruma is too nice and just doesn’t know how to say no. One day, he somehow gets dragged into the netherworld where the demons live. He arrives at the great demon Sullivan’s mansion where he is asked to do the unthinkable... and ends up becoming Sullivan’s grandson! He is quickly enrolled into the Demon School Babyls where Sullivan serves as chair-demon. Iruma begins his super exciting school life at demon school while trying to conceal the fact that he’s a human!
What? I'm going to be playing house? 
And playing the young wife?!
ماذا؟ سألعب لعبة البيت؟
!وسألعب دور الزوجة الصغيرة؟
Was? Ich und eine Puppenküche?!
¿Qué? ¿Jugaré a la casita?
¡¿Y haré de esposa?!
¿Qué? ¿Jugaré a las casitas?
¡¿Y haré de esposa?!
Quoi ? Moi,
jouer au papa et à la maman ?
Cosa? Devo giocare a fare la famiglia?
 E sarò la giovane mogliettina?!
O quê? Vou brincar de casinha? E esposa?
Что?! Мы играем в «дочки-матери»?!
И я — молодая жена?!