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Sirex

Welcome To Demon School: Iruma Kun

Fourteen-year-old Iruma Suzuki has been unfortunate all his life, having to work to earn money for his irresponsible parents despite being underage. One day, he finds out that his parents sold him to the demon Sullivan. However, Iruma's worries about what will become of him are soon relieved, for Sullivan merely wants a grandchild, pampering him and making him attend the demon school Babyls.

IMDb 7.223 episodes2025HDU/A 13+

Drama•Anime•International

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S1 E1 - Welcome To Demon School: Iruma Kun EP 1

May 15, 2025 • 24m•U/A 13+

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.

Included with Prime

S1 E2 - Welcome To Demon School: Iruma Kun EP 2

May 15, 2025 • 24m•U/A 13+

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.

Included with Prime

S1 E3 - Welcome To Demon School: Iruma Kun EP 3

May 15, 2025 • 24m•U/A 13+

Part A: Iruma and Asmodeus encounter a rather strange girl named Valac Clara. Because of her friendly yet strange demeanor, some students seem to be taking advantage of her... Part B: Iruma had become closer to both Asmodeus and Clara. They started picking him up from his house to walk to school together and Iruma was still trying to get used to demon life.

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S1 E4 - Welcome To Demon School: Iruma Kun EP 4

May 15, 2025 • 24m•U/A 13+

Iruma, Asmodeus, and Clara end up in the Misfit Class. As the name suggests, the class is filled with a bunch of misfits and Sabnock Sabro, who wants to become the next Demon King, declares Iruma his rival. Their classes start and their first lesson is a flying race. The race was to take place in the Warbling Valley and the Cutthroat Valley. Apparently, there's also a demon bird that lives there.

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S1 E5 - Welcome To Demon School: Iruma Kun EP 5

May 15, 2025 • 24m•U/A 13+

The Misfit Class is in the middle of a flying race in order to determine their ranks. Since Iruma is human, he can't fly, so he's riding on the back of the giant baby demon bird, but it seems to be flying off course. Meanwhile, Sabnock decides to go through the treacherous Cutthroat Valley and ends up having to battle it out with the Guardian there.

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S1 E6 - Welcome To Demon School: Iruma Kun EP 6

May 15, 2025 • 24m•U/A 13+

Iruma obtains the Gluttonous Feeder ring which feeds upon the magical powers of others. Iruma is still doing everything he can to not stand out at school, but an incident occurs in class involving the ring, which ends up bringing even more attention to him again. Meanwhile, a certain demon was wondering if Iruma was actually human.

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S1 E7 - Welcome To Demon School: Iruma Kun EP 7

May 15, 2025 • 24m•U/A 13+

The one who had bumped into Iruma in the hallway was Ameri, who had been convinced that Iruma is human. When they bump into each other, Iruma finds out that Ameri has a shojo manga from the human world called 'First Love Memories.' 'First Love Memories' is considered forbidden texts in the netherworld. Ameri desperately wants to know what they're saying in the manga.

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S1 E8 - Welcome To Demon School: Iruma Kun EP 8

May 15, 2025 • 24m•U/A 13+

Clara isn't amused at the fact that Ameri keeps summoning Iruma. To try to get Iruma to pay attention to her again, Clara starts to take succubus charming lessons with the succubus teacher Raim. Clara wants to get Iruma's attention again, but apparently her sexiness is almost nonexistent. Even then, Clara sets out to charm Iruma. Will she be able to win Iruma over?

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S1 E9 - Welcome To Demon School: Iruma Kun EP 9

May 15, 2025 • 24m•U/A 13+

After making a promise with Ameri, Iruma sets out to try to move up a rank. Iruma finds out that there is a promotion exam in a week where they would play execution cannonball, and he also finds out it's rather similar to a game they play in the human world. Iruma decides to train after he realizes he's far weaker than anyone else in his class.

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S1 E10 - Welcome To Demon School: Iruma Kun EP 10

May 15, 2025 • 24m•U/A 13+

The day of the rank promotion test involving execution cannonball had arrived. Iruma is ready for the match, but then ends up on different teams with Asmodeus. Despite that, the game continues with all his other classmates using their various forms of magic to play the game. Will Iruma be able to show off the results of his training?! And who will win? Iruma or Asmodeus?

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S1 E11 - Welcome To Demon School: Iruma Kun EP 11

May 15, 2025 • 24m•U/A 13+

Part A: A new teacher named Balse Robin, who is quite innocent and fearful of nothing, arrives! His first lesson involves interacting with familiars. Iruma turns pale at the thought of this lesson since his familiar happens to be Kalego, but... Part B: Iruma decides his next goal now that he's moved up a rank. Apparently, there are groups at Babyls where like-minded demons gather called Battlers.

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S1 E12 - Welcome To Demon School: Iruma Kun EP 12

May 15, 2025 • 24m•U/A 13+

The Battlers' recruiting operation, the Rookie Hunt, had begun. The seniors all come out to try to find worthy first-years to join their groups. What takes place is an immense battle! Iruma and his friends somehow make it through, but then decide to check out the various Battlers on campus. But then suddenly, Iruma's ring goes berserk, causing him to run into a senior.

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S1 E13 - Welcome To Demon School: Iruma Kun EP 13

May 15, 2025 • 24m•U/A 13+

Iruma runs into his senior Amy Kiriwo in front of the Magical Apparatus Battler again. The Magical Apparatus Battler room is filled with all kinds of strange gadgets. There, Iruma hears about Kiriwo's dreams. Babyls is about to hold their annual Battler Party where all the new students get to promote the Battler they joined. Sullivan looks forward to seeing Iruma-kun.

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S1 E14 - Welcome To Demon School: Iruma Kun EP 14

May 15, 2025 • 24m•U/A 13+

Sullivan is apprehended by the Demon Border Patrol on suspicions of unlawfully entering the human world. He still hopes to somehow make it to the Battler Party to see his precious Iruma-kun... Meanwhile, Iruma had no idea what was going on with Sullivan and was preparing for his presentation for the Battler Party.

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S1 E15 - Welcome To Demon School: Iruma Kun EP 15

May 15, 2025 • 24m•U/A 13+

Iruma and the others continue to prepare for the Battler Party. The launchpad for the fireworks is almost complete, so Iruma goes to look for Kiriwo. Suddenly, Iruma's ring starts dragging him and is led all over Babyls until he finds a mysterious hidden room. Kiriwo was behind those doors planning a certain project. We also find out exactly who Kiriwo had been talking to on the phone.

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S1 E16 - Welcome To Demon School: Iruma Kun EP 16

May 15, 2025 • 24m•U/A 13+

Kiriwo's dream: To make a world where all demons would be equal, even if they didn't have that much magical powers. Iruma completely agreed with this statement, so he proposed they shoot for the grand prize at the Battler Party. If they're able to get the grand prize, everyone, including high-ranking demons, would see how hard Kiriwo and the Magical Apparatus Battler worked.

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S1 E17 - Welcome To Demon School: Iruma Kun EP 17

May 15, 2025 • 24m•U/A 13+

Suddenly, all of Babyls is surrounded by invisible walls! On top of that, they are unable to get a hold of the outside and there are invisible walls that popped up all over the school. Amidst all the chaos, Kalego and the other teachers have the students take shelter in the central plaza. Since Kiriwo is missing, Iruma decides to go look for him with the help of Asmodeus and Clara.

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S1 E18 - Welcome To Demon School: Iruma Kun EP 18

May 15, 2025 • 24m•U/A 13+

Kiriwo's plan to destroy Babyls continues to move forward. Iruma somehow made it to the hidden room. Kiriwo looks completely different than what Iruma is used to, and Kiriwo proclaims that he's going to use the fireworks that the Magic Apparatus Battler created to blow Babyls up. Kiriwo then tells Iruma about his childhood. Iruma sees the true demon side of Kiriwo.

Included with Prime

S1 E19 - Welcome To Demon School: Iruma Kun EP 19

May 15, 2025 • 24m•U/A 13+

Part A- When Iruma woke up, most of the ruckus was already over. Sullivan tells Iruma that Kiriwo had been arrested. What happened when the giant fireworks went off? Part B- The ordeal at Babyls comes to an end. The Battler Party is finally about to start! The students all do their best in order to get the Grand Prize, and the students' families come by to enjoy the festivities!

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S1 E20 - Welcome To Demon School: Iruma Kun EP 20

May 15, 2025 • 24m•U/A 13+

Part A: The ceremonies to give out the prizes for the Battler Party has now begun. Iruma and the other members of the MagiApp Battler hope to get the Grand Prize! That was also what Iruma had promised Kiriwo. Who will the prize go to? Part B: Iruma happens to stand out more after the incident with the fireworks.

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S1 E21 - Welcome To Demon School: Iruma Kun EP 21

May 15, 2025 • 24m•U/A 13+

One of the most popular idols in the netherworld, Kuromu-chan, holds an all-day concert at the Makubari Dome. Dem-dols have the important job of helping demons release the stress and evil desires they feel during their Evil Cycle. Kuromu was considered a shining new star in the field, and her tickets would usually sell out in one day. But she actually had a secret that she couldn't tell anyone.

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S1 E22 - Welcome To Demon School: Iruma Kun EP 22

May 15, 2025 • 24m•U/A 13+

Kuromu's true identity happened to be Crocell Keroli from the Misfit Class! The more Keroli talked to Iruma, the more she became jealous about how popular he is, and she ends up collapsing. There was no way that Keroli could continue with the concert, but she had a reason she could not cancel the concert.

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S1 E23 - Welcome To Demon School: Iruma Kun EP 23

May 15, 2025 • 24m•U/A 13+

Iruma had finally started getting used to his life in the netherworld. As he continues having fun with his classmate, he begins to wonder if he should really be allowed to stay in the netherworld. Seeing that Iruma seems troubled, Asmodeus and Clara decide to cook for him. But Clara's mother's recipe is filled with items that even Asmodeus doesn't know about.

Included with Prime