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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

Seasons4

Episode Rankings

  1. #1 Worst Episode
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    Welcome to Demon School! Iruma-kun Season 4 Episode 18 - Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees
    0.0/10(0 votes)

    #1 - Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees

    S4:E18

    The Dinner of the Thirteen Crowns occurs and then Iruma, Asmodeus, and Clara contemplate being second-years.

    Director:Unknown
    Writer:Unknown

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  2. Welcome to Demon School! Iruma-kun Season 3 Episode 8 - Can We Make 100 Friends? / The Students I'm Proud Of
    6.3/10(100 votes)

    #2 - 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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  3. Welcome to Demon School! Iruma-kun Season 3 Episode 19 - The Instructors' Banquet
    6.8/10(96 votes)

    #3 - The Instructors' Banquet

    S3:E19

    The night that the Harvest Festival ended, the instructors of Babyls got together at a pub to celebrate. Kalego usually never goes to these outings, but Balam catches him and forces him to go. Robin is getting ahead of himself as usual and the group even talks about Kalego's days as a newbie instructor. What is the most important thing about being an instructor at Babyls? We also get to see what happened to Ocho after he escaped into the jungle after the Harvest Festival.

    Director:Unknown
    Writer:Unknown

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  4. Welcome to Demon School! Iruma-kun Season 3 Episode 6 - Devilishly Pure
    7.0/10(110 votes)

    #4 - 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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  5. Welcome to Demon School! Iruma-kun Season 4 Episode 4 - We Can't See Him, But...
    7.0/10(132 votes)

    #5 - We Can't See Him, But...

    S4:E4

    Iruma wants to have a chat with Purson.

    Writer:Unknown

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  6. Welcome to Demon School! Iruma-kun Season 3 Episode 5 - Cunning Demons
    7.1/10(109 votes)

    #6 - 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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  8. Welcome to Demon School! Iruma-kun Season 1 Episode 15 - Kiriwo's Secret Room
    7.2/10(143 votes)

    #7 - 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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  9. Welcome to Demon School! Iruma-kun Season 1 Episode 17 - Run, Iruma, to Kiriwo!
    7.2/10(140 votes)

    #8 - 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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  10. Welcome to Demon School! Iruma-kun Season 1 Episode 21 - Dem-dol Kuromu-chan!
    7.2/10(139 votes)

    #9 - 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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  11. Welcome to Demon School! Iruma-kun Season 3 Episode 10 - The Iruma I Know
    7.2/10(96 votes)

    #10 - The Iruma I Know

    S3:E10

    Day 2 of the Harvest Festival, and the Iruma and Lead team were still at zero points, so they decide to try to get the Legendary Leaf to turn things around. With that in mind, they go visit Camui. Once they find him, they also encounter a horde of magical beasts and a little kingdom that had been established. The two are captured and suddenly brought in front of the queen of the kingdom, which just so happened to be Keroli?! Meanwhile, Ameri was thinking back about her time at the Harvest Festival, as she was watching Iruma's performance from the broadcast tent.

    Director:Unknown
    Writer:Unknown

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  12. Welcome to Demon School! Iruma-kun Season 3 Episode 20 - Bad Company / Heartfelt Cooking Class
    7.2/10(100 votes)

    #11 - Bad Company / Heartfelt Cooking Class

    S3:E20

    Iruma goes over to Lead's house after getting a brand new gaming console. While they're playing games, Lead's older sister Shakky suddenly bursts into Lead's room, and she seems to be in a really bad mood... Ameri and Iruma end up making homemade cookies together. But apparently, neither one of them has ever cooked something properly in their lives. They are an absolute mess in the kitchen and even Opera seems to have some trouble dealing with them...

    Director:Unknown
    Writer:Unknown

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  13. Welcome to Demon School! Iruma-kun Season 1 Episode 2 - Familiars Summoned!
    7.3/10(184 votes)

    #12 - 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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  14. Welcome to Demon School! Iruma-kun Season 1 Episode 3 - Iruma and Clara / Demon Friends
    7.3/10(170 votes)

    #13 - 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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  15. Welcome to Demon School! Iruma-kun Season 1 Episode 4 - The Misfit Class
    7.3/10(165 votes)

    #14 - 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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  16. Welcome to Demon School! Iruma-kun Season 2 Episode 15 - Magical Beasts Attack
    7.3/10(116 votes)

    #15 - Magical Beasts Attack

    S2:E15

    The Walter Park staff that Iruma and his friends had encountered were actually the terrorist group, the Six Fingers, who planned to destroy the park. The Six Fingers set three giant magical beasts loose on the park. The whole park is filled with fear and chaos. Jazz and the others on the Kalego team faces off with one of the beasts for some hands-on training. Meanwhile, Kiriwo's plan to escape from the prison below the park seems to be going smoothly.

    Director:Unknown
    Writer:Unknown

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  17. Welcome to Demon School! Iruma-kun Season 1 Episode 5 - The One Who Wants to Be Demon King
    7.4/10(164 votes)

    #16 - 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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  18. Welcome to Demon School! Iruma-kun Season 1 Episode 6 - Ameri's Theory
    7.4/10(158 votes)

    #17 - 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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  19. Welcome to Demon School! Iruma-kun Season 1 Episode 7 - First Love Memories
    7.4/10(159 votes)

    #18 - 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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  20. Welcome to Demon School! Iruma-kun Season 1 Episode 12 - The Rookie Hunt!!
    7.4/10(148 votes)

    #19 - 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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  21. Welcome to Demon School! Iruma-kun Season 1 Episode 13 - The Magical Apparatus Battler
    7.4/10(151 votes)

    #20 - 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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  22. Welcome to Demon School! Iruma-kun Season 1 Episode 14 - The Battlers' Presentation
    7.4/10(149 votes)

    #21 - 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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  23. Welcome to Demon School! Iruma-kun Season 1 Episode 19 - I Want to Pick Everything Up
    7.4/10(138 votes)

    #22 - 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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  24. Welcome to Demon School! Iruma-kun Season 1 Episode 22 - Sparkling Shock
    7.4/10(146 votes)

    #23 - 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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  25. Welcome to Demon School! Iruma-kun Season 1 Episode 23 - You Fit Right In Now, Iruma-kun
    7.4/10(152 votes)

    #24 - 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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  26. Welcome to Demon School! Iruma-kun Season 3 Episode 2 - Master Bachiko
    7.5/10(110 votes)

    #25 - Master Bachiko

    S3:E2

    Iruma and Lead end up being trained by Robin's relative, Barbatos Bachiko. Bachiko is very skilled and was personally asked by Sullivan to assist Robin with tutoring the kids. They were supposed to have a rather hard training schedule... but all Bachiko asks them to do is random errands. Lead has had enough of that and goes back to Robin. Iruma is left frustrated and alone. He learns that Asmodeus and Clara have been training and decides to take matters into his own hands!

    Director:Unknown
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Worst Episodes Summary

"Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees" 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 8/1/2026. This episode scored 6.3 points lower than the second lowest rated, "Can We Make 100 Friends? / The Students I'm Proud Of".