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!
To think that you were able
to make Kalego your familiar...
...بأن تستطيع جعل كاليغو أليفك
Unglaublich … Du hast Kalego
zu einem Schutzgeist gemacht …
No puedo creer
que convirtiera a Kalego en su familiar.
No puedo creer
que convirtiera a Kalego en su familiar.
Vous avez fait du seigneur Callego
votre familier !
Pensare che sei riuscito 
a rendere Kalego il tuo famiglio...
E pensar que você conseguiria
fazer do Kalego seu familiar...
Подумать только, вы сделали
 Кальего своим слугой!