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The Worst Episodes of Welcome to Demon School! Iruma-kun

Every episode of Welcome to Demon School! Iruma-kun ranked from worst to best. Explore the Worst Episodes of Welcome to Demon School! Iruma-kun!

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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

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NHK Educational TV
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Episode Rankings

  1. #1 Worst Episode
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    Welcome to Demon School! Iruma-kun Season 4 Episode 1 - The Other Demon in the Misfit Class
    0.0/10(0 votes)

    #1 - The Other Demon in the Misfit Class

    S4:E1

    The Misfit Class find out they need to compete in the Music Festival and find out they had another student.

    Director:Unknown
    Writer:Unknown

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  2. Welcome to Demon School! Iruma-kun Season 4 Episode 2 - A Challenge to the Thirteen
    0.0/10(0 votes)

    #2 - A Challenge to the Thirteen

    S4:E2

    The Misfit Class try to figure out what kind of performance they're going to do for the Music Festival.

    Director:Unknown
    Writer:Unknown

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  3. Welcome to Demon School! Iruma-kun Season 4 Episode 3 - The Essence of a Dem-dol
    0.0/10(0 votes)

    #3 - The Essence of a Dem-dol

    S4:E3

    The Misfit Class decide to do the Hell Dance at the Music Festival and Kalego coaches Iruma and Purson.

    Director:Unknown
    Writer:Unknown

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  4. Welcome to Demon School! Iruma-kun Season 1 Episode 3 - Iruma and Clara / Demon Friends
    6.0/10(4 votes)

    #4 - Iruma and Clara / Demon Friends

    S1:E3

    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. One day at lunch, some kids try to pick on Iruma, but...

    Director:Unknown
    Writer:Unknown

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  5. Welcome to Demon School! Iruma-kun Season 1 Episode 4 - The Misfit Class
    6.2/10(4 votes)

    #5 - The Misfit Class

    S1:E4

    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...

    Director:Unknown
    Writer:Unknown

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  6. Welcome to Demon School! Iruma-kun Season 1 Episode 22 - Sparkling Shock
    6.3/10(3 votes)

    #6 - Sparkling Shock

    S1:E22

    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. In order to somehow still make the concert at Makubari Dome a success, Iruma and his friends do something rather surprising!

    Director:Unknown
    Writer:Unknown

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  7. Welcome to Demon School! Iruma-kun Season 3 Episode 6 - Devilishly Pure
    6.4/10(5 votes)

    #7 - Devilishly Pure

    S3:E6

    Iruma and Lead are leisurely eating their ingredients while the other members of the Misfit Class are earning points. Iruma was experiencing a survivor's high after having his life put in danger. They decided to enjoy their time eating, putting a priority on surviving the longest in the Harvest Festival. They start talking about memories of a devi-mixer they went to and are just enjoying their time. However, they are suddenly approached by a mysterious kigurumi and...

    Director:Unknown
    Writer:Unknown

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  8. Welcome to Demon School! Iruma-kun Season 1 Episode 2 - Familiars Summoned!
    6.5/10(4 votes)

    #8 - Familiars Summoned!

    S1:E2

    Iruma, who is going to Babirusu, wants to spend calmly so that he will not be noticed by humans. However, the entrance ceremony and a case with the entrance examination chief Asmodeus Alice have already attracted the attention of the students! First-year students Iruma and others decided to participate in the "Familiar Summoning Ceremony" event to determine the rank of the devil. The person in charge is Naverius Caluego, an extremely strict instructor in Babiru's. What kind of familiar is Iruma summoned?

    Director:Unknown
    Writer:Unknown

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  9. Welcome to Demon School! Iruma-kun Season 3 Episode 5 - Cunning Demons
    6.6/10(5 votes)

    #9 - Cunning Demons

    S3:E5

    Asmodeus and Sabro have been using their brute strength to capture their prey so far in the Harvest Festival, when they run into the Dorodoro Brothers, Ichiro and Niro, who are two of the favorites to win the whole competition. The brother issue a challenge, saying that they will hand over all of their points if Asmodeus and Sabro win against them. Meanwhile, Keroli and Camui have taken the lead in their own section by taking command of most of the magical beasts in their area and Jazz and Schneider have been gaining points by using strategy. What exactly was their hellish training with Sergeant Furfur like?

    Director:Unknown
    Writer:Unknown

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  10. Welcome to Demon School! Iruma-kun Season 1 Episode 5 - The One Who Wants to Be Demon King
    6.7/10(3 votes)

    #10 - The One Who Wants to Be Demon King

    S1:E5

    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. Sabnock is obsessed with becoming the next Demon King, but why is he so obsessed? Are Iruma and Sabnock going to be able to make it out of Cutthroat Valley alive?

    Director:Unknown
    Writer:Unknown

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  11. Welcome to Demon School! Iruma-kun Season 1 Episode 12 - The Rookie Hunt!!
    6.7/10(3 votes)

    #11 - The Rookie Hunt!!

    S1:E12

    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...

    Director:Unknown
    Writer:Unknown

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  12. Welcome to Demon School! Iruma-kun Season 1 Episode 14 - The Battlers' Presentation
    6.7/10(3 votes)

    #12 - The Battlers' Presentation

    S1:E14

    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. After going through several ideas, they decide to create things called fireworks that are supposedly from the human world and they spend the night at school to create them. And so, began the fun sleepover for the MagiApp Battler kids.

    Director:Unknown
    Writer:Unknown

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  13. Welcome to Demon School! Iruma-kun Season 1 Episode 15 - Kiriwo's Secret Room
    6.7/10(3 votes)

    #13 - Kiriwo's Secret Room

    S1:E15

    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. What does Iruma find in the mysterious room?

    Director:Unknown
    Writer:Unknown

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  14. Welcome to Demon School! Iruma-kun Season 1 Episode 17 - Run, Iruma, to Kiriwo!
    6.7/10(3 votes)

    #14 - Run, Iruma, to Kiriwo!

    S1:E17

    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. Will Iruma be able to find Kiriwo?

    Director:Unknown
    Writer:Unknown

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  15. Welcome to Demon School! Iruma-kun Season 1 Episode 19 - I Want to Pick Everything Up
    6.7/10(3 votes)

    #15 - I Want to Pick Everything Up

    S1:E19

    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!

    Director:Unknown
    Writer:Unknown

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  16. Welcome to Demon School! Iruma-kun Season 1 Episode 21 - Dem-dol Kuromu-chan!
    6.7/10(3 votes)

    #16 - Dem-dol Kuromu-chan!

    S1:E21

    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... Iruma just happened to be lucky enough to get tickets for her concert and takes Asmodeus and Clara with him!

    Director:Unknown
    Writer:Unknown

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  17. Welcome to Demon School! Iruma-kun Season 1 Episode 23 - You Fit Right In Now, Iruma-kun
    6.7/10(3 votes)

    #17 - You Fit Right In Now, Iruma-kun

    S1:E23

    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. The two end up having a cooking competition. Which dish will Iruma choose?

    Director:Unknown
    Writer:Unknown

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  18. Welcome to Demon School! Iruma-kun Season 3 Episode 8 - Can We Make 100 Friends? / The Students I'm Proud Of
    6.7/10(3 votes)

    #18 - Can We Make 100 Friends? / The Students I'm Proud Of

    S3:E8

    "Can We Make 100 Friends?": The owner of the amazing castle in the middle of the jungle was none other than Picero! Picero and Goemon were fighting in the Harvest Festival and had this castle to come back to. A busybody and a demon who marches to the beat of his own drum... This unlikely pair apparently have known each other for a while... "The Students I'm Proud Of" Meanwhile, in the tutors' tent, there was a party going on. The tutors were all watching their students' performances during the Harvest Festival... and somewhere down the line, a rivalry was building up between the tutors.

    Director:Unknown
    Writer:Unknown

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  19. Welcome to Demon School! Iruma-kun Season 1 Episode 1 - Iruma-kun from Demon School
    7.0/10(5 votes)

    #19 - Iruma-kun from Demon School

    S1:E1

    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!

    Director:Unknown
    Writer:Unknown

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  20. Welcome to Demon School! Iruma-kun Season 1 Episode 6 - Ameri's Theory
    7.0/10(3 votes)

    #20 - Ameri's Theory

    S1:E6

    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. That demon just happens to be the student council president, Azazel Ameri. But there’s a very unique reason that makes her think Iruma is human...

    Director:Unknown
    Writer:Unknown

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  21. Welcome to Demon School! Iruma-kun Season 1 Episode 7 - First Love Memories
    7.0/10(3 votes)

    #21 - First Love Memories

    S1:E7

    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 so she asks Iruma to read the text for her, which would also prove that he’s human. Thus, began Iruma and Ameri’s live readings!

    Director:Unknown
    Writer:Unknown

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  22. Welcome to Demon School! Iruma-kun Season 1 Episode 9 - Iruma's Decision and Hard Work
    7.0/10(3 votes)

    #22 - Iruma's Decision and Hard Work

    S1:E9

    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. Iruma decides that he’s not going to use magic, so he starts an intense training regimen with Opera. What does Iruma gain at the end of all this training?

    Director:Unknown
    Writer:Unknown

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  23. Welcome to Demon School! Iruma-kun Season 1 Episode 13 - The Magical Apparatus Battler
    7.0/10(3 votes)

    #23 - The Magical Apparatus Battler

    S1:E13

    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 but while he’s at the Thirteens’ Dinner...

    Director:Unknown
    Writer:Unknown

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  24. Welcome to Demon School! Iruma-kun Season 1 Episode 16 - Party Eve
    7.0/10(3 votes)

    #24 - Party Eve

    S1:E16

    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. All the Battlers are getting their presentations ready for the Battler Party on the day of the Party Eve. But suddenly, the fireworks shell that Iruma and others prepared suddenly goes missing...

    Director:Unknown
    Writer:Unknown

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  25. Welcome to Demon School! Iruma-kun Season 2 Episode 4 - The Student Council President's Gaze
    7.0/10(2 votes)

    #25 - The Student Council President's Gaze

    S2:E4

    Ronove declares that he's going to take the position of student council president by holding a dissolution election. But due to a spell that someone has cast, Ameri is unable to be her usual confident self and is very meek. Iruma then tells her something she had told him in the past to try to give her confidence. What kind of speech will Ameri present while all of the attention is on Ronove. What is the emotion that Ameri was able to find deep within her heart?

    Director:Unknown
    Writer:Unknown

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Worst Episodes Summary

"The Other Demon in the Misfit Class" is the worst rated episode of "Welcome to Demon School! Iruma-kun". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 4/4/2026. This episode scored 0.0 points lower than the second lowest rated, "A Challenge to the Thirteen".