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!
You could've adopted all 
the demons you wanted.
.أمكنك أن تتبنّى كلّ الشياطين التي تريد
Sie hätten sich doch wer weiß wie viele
Dämonen-Kinder adoptieren können …
Con la cantidad de demonios
que podías adoptar,
Con la cantidad de demonios
que podías adoptar,
Vous auriez pu adopter
n’importe quel démon.
Avresti potuto adottare qualsiasi demone.
Você poderia ter adotado
muitos demônios.
Вы ведь с лёгкостью могли
усыновить демона.