The WORST episodes of Welcome to Demon School! Iruma-kun

Every episode of Welcome to Demon School! Iruma-kun ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Welcome to Demon School! Iruma-kun!

Fourteen-year-old Suzuki Iruma 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 demon world 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.

Last Updated: 3/14/2023Network:NHK
Lead's Distress
19 votes

#1 - Lead's Distress

Season 3 - Episode 14 - Aired 1/14/2023

Iruma is safely reunited with Lead. But apparently, Lead had the Vase of Endings he had successfully obtained stolen by Elizabetta. However, it appears as though the one who took the vase was not Elizabetta, but someone else. Lead uses his bloodline ability, Controller, that had been strengthened through Robin's training and tries to track Elizabetta down. What he ended up hearing were the voices of Elizabetta, Clara, and Keroli in a hot spring?!

Kiriwo’s Secret Room
50 votes

#2 - Kiriwo’s Secret Room

Season 1 - Episode 15 - Aired 1/11/2020

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?

Welcome Back
15 votes

#3 - Welcome Back

Season 3 - Episode 18 - Aired 2/11/2023

The Legend Leaf exploded in the sky and bloomed into beautiful flower petals. While everyone's in a celebrating mood, the award ceremony begins. Those who did excellently in the event, those who ended up forfeiting... How did all of the members of the Misfit Class do? Were they all able to reach the rank they needed to?! All of the mentors also are reunited with their students. How will the mentors respond to their students' performances during the Harvest Festival?

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Can We Make 100 Friends? / The Students I'm Proud Of
25 votes

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

Season 3 - Episode 8 - Aired 11/26/2022

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.

Sparkling Shock
46 votes

#5 - Sparkling Shock

Season 1 - Episode 22 - Aired 2/29/2020

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!

The Battlers’ Presentation
48 votes

#6 - The Battlers’ Presentation

Season 1 - Episode 14 - Aired 1/4/2020

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.

Party Eve
46 votes

#7 - Party Eve

Season 1 - Episode 16 - Aired 1/18/2020

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...

Iruma’s Decision and Hard Work
47 votes

#8 - Iruma’s Decision and Hard Work

Season 1 - Episode 9 - Aired 11/30/2019

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?

Run, Iruma, to Kiriwo!
46 votes

#9 - Run, Iruma, to Kiriwo!

Season 1 - Episode 17 - Aired 1/25/2020

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?

The Rookie Hunt!!
46 votes

#10 - The Rookie Hunt!!

Season 1 - Episode 12 - Aired 12/21/2019

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...

Head Over Heels for Clara
48 votes

#11 - Head Over Heels for Clara

Season 1 - Episode 8 - Aired 11/23/2019

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?

Glorious Award / Treatment of Humans
43 votes

#12 - Glorious Award / Treatment of Humans

Season 1 - Episode 20 - Aired 2/15/2020

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. The head of the Demon Border Patrol, Azazel Henri, begins to suspect that Iruma may actually be human and he visits Babyls. Wait, this all seems rather familiar...

Dem-dol Kuromu-chan!
41 votes

#13 - Dem-dol Kuromu-chan!

Season 1 - Episode 21 - Aired 2/22/2020

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!

The Iruma I Know
18 votes

#14 - The Iruma I Know

Season 3 - Episode 10 - Aired 12/10/2022

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.

Watch Now:Amazon
Fierce Battle, Execution Cannonball!!
46 votes

#15 - Fierce Battle, Execution Cannonball!!

Season 1 - Episode 10 - Aired 12/7/2019

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?

The Magical Apparatus Battler
49 votes

#16 - The Magical Apparatus Battler

Season 1 - Episode 13 - Aired 12/28/2019

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...

Iruma and Clara / Demon Friends
58 votes

#17 - Iruma and Clara / Demon Friends

Season 1 - Episode 3 - Aired 10/19/2019

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...

Bad Company / Heartfelt Cooking Class
14 votes

#18 - Bad Company / Heartfelt Cooking Class

Season 3 - Episode 20 - Aired 2/25/2023

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...

The One Who Wants to Be Demon King
54 votes

#19 - The One Who Wants to Be Demon King

Season 1 - Episode 5 - Aired 11/2/2019

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?

Toto the Genie
15 votes

#20 - Toto the Genie

Season 3 - Episode 11 - Aired 12/17/2022

Ameri happens to run into Jazz and Schneider in the tent for all of the students who have forfeited. Apparently, they ran into a plot to get rid of all of the students of the Misfit Class from this competition. Around the same time, Iruma and Lead had begun looking for the Legend Leaf by using the lyrics to the Legend Leaf song as a clue. Iruma goes through the jungle, following what the lyrics said, and finds an entrance to an underground labyrinth. Deep within the labyrinth filled with traps and tricks, he encounters...

I Want to Pick Everything Up
50 votes

#21 - I Want to Pick Everything Up

Season 1 - Episode 19 - Aired 2/8/2020

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!

The Misfit Class
52 votes

#22 - The Misfit Class

Season 1 - Episode 4 - Aired 10/26/2019

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...

Together with Familiars!
46 votes

#23 - Together with Familiars!

Season 1 - Episode 11 - Aired 12/14/2019

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. Iruma shows some interest in Battlers, but then is greeted by a terrifying sound...

Studying in the Netherworld
34 votes

#24 - Studying in the Netherworld

Season 2 - Episode 9 - Aired 6/12/2021

The students are about to welcome their version of summer vacation! The Misfit Class is super excited but then, they're reminded that if they don't do well on the end of terminus exams, they'll have to stay for supplementary classes during their break. To avoid that from happening, they all want to avoid failing. But Iruma is a human and has very little knowledge concerning netherworld wisdom. To avoid failing, Iruma works with Asmodeus and Clara to study!

The Instructors' Banquet
12 votes

#25 - The Instructors' Banquet

Season 3 - Episode 19 - Aired 2/18/2023

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.

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