Fourteen-year-old Iruma Suzuki has just been abandoned and sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon who has adopted him as his new grandson and has been transferred into a school in the Netherworld where his new demon grandfather works as the principal. Thus begins the cowardly Iruma-kun's extraordinary school life among the otherworldly as he faces his true self, takes on challenges, and rises to become someone great.
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The peak run. Top 40% of seasons by average rating — consecutive, with an average of 8.54.
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Ayumu Murase
Iruma Suzuki (voice)
Ryohei Kimura
Alice Asmodeus (voice)
Ayaka Asai
Clara Valac (voice)
Daisuke Ono
Naberius Kalego (voice)
Saori Hayami
Ameri Azazel (voice)
Takuya Sato
Sabro Sabnock (voice)
Takaya Kuroda
Sullivan (voice)
Mitsuki Saiga
Opera (voice)
Yoshitaka Yamaya
Lied Shax (voice)
Nao Toyama
Keroli Crocell / Evidol Kuromu (voice)
All 72 episodes plotted by IMDb rating
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23 episodes • 2019Avg: 7.8Valley of Despair
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Iruma-kun from Demon School | Oct 5, 2019 | 7.5 |
| 2 | Familiars Summoned! | Oct 12, 2019 | 7.6 |
| 3 | Iruma and Clara / Demon Friends | Oct 19, 2019 | 7.4 |
| 4 | The Misfit Class | Oct 26, 2019 | 7.6 |
| 5 | The One Who Wants to Be Demon King | Nov 2, 2019 | 7.8 |
| 6 | Ameri's Theory | Nov 9, 2019 | 7.8 |
| 7 | First Love Memories | Nov 16, 2019 | 7.6 |
| 8 | Head Over Heels for Clara | Nov 23, 2019 | 7.3 |
| 9 | Iruma's Decision and Hard Work | Nov 30, 2019 | 7.3 |
| 10 | Fierce Battle, Execution Cannonball!! | Dec 7, 2019 | 7.8 |
| 11 | Together with Familiars! | Dec 14, 2019 | 7.6 |
| 12 | The Rookie Hunt!! | Dec 21, 2019 | 7.5 |
| 13 | The Magical Apparatus Battler | Dec 28, 2019 | 7.4 |
| 14 | The Battlers' Presentation | Jan 4, 2020 | 7.3 |
| 15 | Kiriwo's Secret Room | Jan 11, 2020 | 7.9 |
| 16 | Party Eve | Jan 18, 2020 | 8.1 |
| 17 | Run, Iruma, to Kiriwo! | Jan 25, 2020 | 8.1 |
| 18 | What I Want More Than Anything | Feb 1, 2020 | 8.6 |
| 19 | I Want to Pick Everything Up | Feb 8, 2020 | 8.2 |
| 20 | Glorious Award / Treatment of Humans | Feb 15, 2020 | 8.5 |
| 21 | Dem-dol Kuromu-chan! | Feb 22, 2020 | 7.9 |
| 22 | Sparkling Shock | Feb 29, 2020 | 8.3 |
| 23 | You Fit Right In Now, Iruma-kun | Mar 7, 2020 | 7.6 |
21 episodes • 2021Avg: 8.5Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Secret Behind the Ring | Apr 17, 2021 | 8.5 |
| 2 | Ameri's Decision | Apr 24, 2021 | 8.6 |
| 3 | A Lovely Demoness | May 1, 2021 | 8.5 |
| 4 | The Student Council President's Gaze | May 8, 2021 | 8.5 |
| 5 | Invite Your Friends! | May 15, 2021 | 8.5 |
| 6 | Royal One | May 22, 2021 | 8.7 |
| 7 | The Teachers at Babyls | May 29, 2021 | 8.7 |
| 8 | The Miracle of Some Fools | Jun 5, 2021 | 8.5 |
| 9 | Studying in the Netherworld | Jun 12, 2021 | 8.4 |
| 10 | Balam's Lesson | Jun 19, 2021 | 8.4 |
| 11 | End-of-Terminus Exams / Girls' Talk | Jun 26, 2021 | 8.3 |
| 12 | Kalego-sensei's Home Visit | Jul 3, 2021 | 8.7 |
| 13 | Walter Park | Jul 10, 2021 | 8.2 |
| 14 | Everyone's Playmates | Jul 17, 2021 | 8.4 |
| 15 | Magical Beasts Attack | Jul 24, 2021 | 8.5 |
| 16 | The Name of This Feeling | Jul 31, 2021 | 9.0 |
| 17 | The Ultimate Halberd | Aug 7, 2021 | 8.9 |
| 18 | My Desire | Aug 14, 2021 | 8.8 |
| 19 | Clara's House | Aug 21, 2021 | 8.1 |
| 20 | Dream Date | Sep 4, 2021 | 8.6 |
| 21 | The One Who Rules Over the Netherworld | Sep 11, 2021 | 8.5 |
21 episodes • 2022Avg: 8.0
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Misfit Class's New Term | Oct 8, 2022 | 8.0 |
| 2 | Master Bachiko | Oct 15, 2022 | 7.9 |
| 3 | Iruma's True Feelings | Oct 22, 2022 | 8.3 |
| 4 | The Signal That the Harvest Festival Has Begun | Oct 29, 2022 | 8.0 |
| 5 | Cunning Demons | Nov 5, 2022 | 8.1 |
| 6 | Devilishly Pure | Nov 12, 2022 | 7.8 |
| 7 | Clara's Toy Box / A Night Filled With Screams | Nov 19, 2022 | 7.4 |
| 8 | Can We Make 100 Friends? / The Students I'm Proud Of | Nov 26, 2022 | 7.7 |
| 9 | The Dorodoro Brothers' Provocation | Dec 3, 2022 | 8.0 |
| 10 | The Iruma I Know | Dec 10, 2022 | 7.6 |
| 11 | Toto the Genie | Dec 17, 2022 | 8.1 |
| 12 | Wish Upon Your Bow | Dec 24, 2022 | 8.1 |
| 13 | My Very Own Magic | Jan 7, 2023 | 8.0 |
| 14 | Lead's Distress | Jan 14, 2023 | 7.5 |
| 15 | The True Worth of the Archer | Jan 21, 2023 | 8.3 |
| 16 | The End of the Harvest Festival | Jan 28, 2023 | 8.1 |
| 17 | Legend Leaf | Feb 4, 2023 | 8.6 |
| 18 | Welcome Back | Feb 11, 2023 | 8.3 |
| 19 | The Instructors' Banquet | Feb 18, 2023 | 8.2 |
| 20 | Bad Company / Heartfelt Cooking Class | Feb 25, 2023 | 8.2 |
| 21 | Words for My Friends | Mar 4, 2023 | 8.5 |
12 episodes • 2026Avg: 8.8
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Other Demon in the Misfit Class | Apr 4, 2026 | 8.3 |
| 2 | A Challenge to the Thirteen | Apr 11, 2026 | 8.5 |
| 3 | The Essence of a Dem-dol | Apr 18, 2026 | 8.7 |
| 4 | We Can't See Him, But... | Apr 25, 2026 | 8.0 |
| 5 | Let's Have a Chat | May 2, 2026 | 9.0 |
| 6 | The Music Festival: Showtime!! | May 9, 2026 | 9.0 |
| 7 | Lilith's Carpet | May 16, 2026 | 10.0 |
| 8 | Victory Salute | May 23, 2026 | 0.0 |
| 9 | Behind Those Eyes | May 30, 2026 | 0.0 |
| 10 | Triple Love Squad | Jun 6, 2026 | 0.0 |
| 11 | Episode 11 | Jun 13, 2026 | 0.0 |
| 12 | Episode 12 | Jun 20, 2026 | 0.0 |
