The protagonist **Iruma Suzuki** is the only human attending the demon school **Babyls**, hiding the fact that he's human.
His demon friends have grown in number, and before long he's come to enjoy life in the Netherworld. He shines at all sorts of events!
Distinctive demon friends, lively school events, and Iruma growing little by little — the Netherworld story that widens with each season is depicted ever more cheerfully. Airing from April 2026.
📝 魅力・見どころ・特徴 ネタバレ控えめ
01The reliable fun of a fourth season
The reliable fun unique to a beloved series' fourth season is the appeal. The characters and world are familiar, so you can laugh and enjoy with ease.
02The Netherworld life of Iruma, the only human
Iruma's nerve-wracking Netherworld life, struggling not to be exposed as human, is the appeal. You can't help rooting for this kind, easily-entangled boy.
03Distinctive demon friends
Alice, Clara and many other distinctive demon friends appear. The banter among the lively, quirky characters is a big appeal of the work.
04A host of lively school events
Unique school events only the demon school Babyls could have are depicted one after another. Iruma and friends shining at each event is fun every time.
05A balance of laughs and heat
The balance of comical daily life and sometimes heart-stirring developments is exquisite. Laugh, root, and feel moved in the end — that charm is packed in.
06An incredibly lavish, skilled cast
Haruka Murase as Iruma, Saori Hayami, Daisuke Ono and more — an incredibly lavish cast that voices the many distinctive demons with full charm.
07Theme songs that color the work
OP 'Hifumi' by Penthouse and ED 'Super Yusho-chuun!' by CANDY TUNE. Theme songs that perfectly fit the lively work.
08A classic fantasy easy to enter, even for newcomers
The clear premise — a human attending a demon school — is the appeal. Even from Season 4, you can slip right into the lively, warm Netherworld.
💡 注目ポイント・展開予想 軽めネタバレ
In Season 4 too, Iruma will likely lead a lively daily life at the demon school Babyls while struggling not to be exposed as human.
New school events and dramas with the distinctive demon friends should be depicted one after another.
With laughs, heat and the occasional moving moment — within the series' lively, warm story, how Iruma and friends grow is expected to be a major highlight.
🧾 これまでのあらすじ ネタバレあり
Here is the premise: the protagonist Iruma Suzuki is the only human attending the demon school Babyls, hiding the fact that he's human.
His demon friends have grown in number, and before long he came to enjoy Netherworld life, shining at all sorts of events.
With each season, Iruma's standing in the Netherworld and his bonds with friends have deepened. Season 4 is expected to begin as a continuation of that lively school life.
✅ 観る・注目するおすすめポイント
Strongly recommended for fans of lively comedy and warm stories about friends.
A popular series with an exquisite balance of laughs, heat and occasionally moving moments. It's easy to enter even from Season 4, so newcomers should enjoy it too.
👀 トリビア・驚きの小ネタ集
・Protagonist Iruma Suzuki is the only human attending the demon school Babyls.
・The OP is by Penthouse and the ED by CANDY TUNE.
・The animation is by BN Pictures, airing on NHK Educational TV.
💫 未回収の伏線 ネタバレあり
Behind the lively comedy lie intriguing elements running through the series:
● How Iruma's secret of being human ties into the story going forward.
● Where the special power hidden within Iruma leads.
● The dreams and growth of each distinctive demon friend.
● New encounters and incidents awaiting beyond the school events.
Within the laughs, elements that move the whole series are scattered throughout.
💌 次シーズンで絶対バズる名セリフ予想
● "Netherworld life — maybe it's actually fun after all."
— Iruma growing accustomed to the Netherworld.
● "For Iruma's sake, I'll do anything!"
— The fiercely loyal Alice.
*Predictions based on the work's direction and source.