Due to very bizarre circumstances, the human boy, Suzuki Iruma, ends up in the netherworld. He is keeping the fact that he is human a secret and attends the Demon School Babyls. Because he is human, he cannot use magic so he had been using the Gluttonous Feeder Ring to get by in school. But then one day, the ring started to speak! Why, though? Iruma then meets the incarnation of the ring who calls themselves Alicred, AKA Ali-san.
and started going to the demon 
school Babyls in the netherworld.
.وبدأ يرتاد مدرسة الشّياطين بابيليس في الجحيم
Dieser schickte ihn auf die Dämonenschule
Babyls in der Dämonenwelt.
quien lo envió a Babyls,
una escuela demoníaca del inframundo.
quien lo envió a Babyls,
una escuela demoníaca del inframundo.
Il l’a aussi inscrit à Babyls,
l’école des démons.
e ha iniziato a frequentare la scuola per demoni
di Babyls nell'Altro Mondo.
começando a ir para a escola de
demônios Babyls no mundo dos demônios.
А тот взял да и устроил парня
в школу демонов Бэбилс.