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Season guide

Welcome to Demon School! Iruma-kun: Season 3

21 episodes Premiered Oct 8, 2022 Updated Oct 11, 2026

Role: Meticulous television and film archivist. Task: Produce a JSON object for "Welcome to Demon School! Iruma-kun" Season 3. Constraint 1: Use ONLY provided SYNOPSIS and SOURCES. Constraint 2: No invented titles, names, dates, etc. Constraint 3: Write original, neutral, encyclopedic prose in plain text. Constraint 4: No markdown, no asterisks, no headings, no bullet points (within the text content, though the JSON

Previously on Welcome to Demon School! Iruma-kun

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Following their heroic efforts at Walter Park, the students of the misfit class return to Babyls Demon School after their summer vacation.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Welcome to Demon School! Iruma-kun" Season 3.
Constraint 1: Use ONLY provided SYNOPSIS and SOURCES.
Constraint 2: No invented titles, names, dates, etc.
Constraint 3: Write original, neutral, encyclopedic prose in plain text.
Constraint 4: No markdown, no asterisks, no headings, no bullet points (within the text content, though the JSON structure requires keys).
Constraint 5: Output valid JSON only.
Keys required:
overview: 160-220 word summary.
primer: Array of exactly 4 concise bullet points.
Synopsis: Human boy Suzuki Iruma becomes "grandson" to the great demon Sullivan and begins attending demon school where "Grandpa" serves as chairman. Winning friends and rising in demon rank, Iruma thrives. In the new season, it is harvest season. Students participate in an annual test where they enter an expansive and extremely dangerous jungle to compete for food. Classmates become rivals in a battle of brawn and wits.
Sources: Mentions Iruma Suzuki is fourteen years old. Mentions the show started in 2019. Mentions genres: Animation, Comedy, Sci-Fi & Fantasy.
Overview (Goal: 160-220 words):
The narrative follows Suzuki Iruma, a fourteen-year-old human boy who has become the grandson of the great demon Sullivan. Under the guidance of Sullivan, who serves as the chairman of the demon school Iruma attends, Iruma has successfully navigated his new environment by making friends and increasing his demon rank. In this new season, the students face further challenges during the harvest season. This period includes an annual test that requires students to enter an expansive and extremely dangerous jungle. The objective of this competition is to compete for food within the jungle environment. As the students participate in this event, classmates transform into rivals. The resulting conflict manifests as a gargantuan battle involving both brawn and wits. This season continues the journey of Iruma as he overcomes harrowing ordeals while navigating the complexities of demon school life and the competitive nature of the annual harvest test.

Word count check:
1. The (1)
2. narrative (2)
3. follows (3)
4. Suzuki (4)
5. Iruma, (5)
6. a (6)
7. fourteen-year-old (7)
8. human (8)

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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

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Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

14%
86%
Mytharc (3): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

The Misfit Class's New Term

Oct 8, 2022 · 25 min

The students of the Misfit Class have been given a special order. The order was for all of them to reach the Dalet rank before they become second-years, or they would lose the Roya

S3·E2 Core

Master Bachiko

Oct 15, 2022 · 25 min

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

S3·E3 Core

Iruma's True Feelings

Oct 22, 2022 · 25 min

Bachiko finally starts training Iruma, on one condition. Bachiko is known to be one of the best archers in the underworld and she tells Iruma he'll have to make a bow of his own. I

S3·E4 Core

The Signal That the Harvest Festival Has Begun

Oct 29, 2022 · 25 min

The final battle for the Babyls first-years, the Harvest Festival, finally begins. It is a rank-advancement exam in the form of a survival game that takes place over four days. The

S3·E5 Core

Cunning Demons

Nov 5, 2022 · 25 min

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

S3·E6 Core

Devilishly Pure

Nov 12, 2022 · 25 min

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

S3·E7 Core

Clara's Toy Box / A Night Filled With Screams

Nov 19, 2022 · 25 min

"Clara's Toy Box": Iruma gets sucked into Clara's kigurumi and then is trapped inside the strange and fantastical world that's inside! Iruma turns into a child inside and out and h

S3·E8 Core

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

Nov 26, 2022 · 25 min

"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

S3·E9 Core

The Dorodoro Brothers' Provocation

Dec 3, 2022 · 25 min

The Dorodoro brothers provoke Asmodeus and Sabnock so much that they lose control and accept their challenge. However, their loss of control appears to be magical in nature...

S3·E10 Core

The Iruma I Know

Dec 10, 2022 · 25 min

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

S3·E11 Core

Toto the Genie

Dec 17, 2022 · 25 min

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 Misfi

S3·E12 Core

Wish Upon Your Bow

Dec 24, 2022 · 25 min

Iruma is trying to get back to the surface after exploring the underground labyrinth with Naphura. On their way up, he runs into his parents that shouldn't be in the netherworld. T

S3·E13 Core

My Very Own Magic

Jan 7, 2023 · 25 min

The third day of the Harvest Festival. The announcement of how many points each has is announced through the jungle. Kalego mentions that a certain student still has zero points an

S3·E14 Core

Lead's Distress

Jan 14, 2023 · 25 min

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 t

S3·E15 Core

The True Worth of the Archer

Jan 21, 2023 · 25 min

The battle between Keroli's Magical Beast Kingdom and Picero and Goemon's squad continues. Elizabetta also joins the Magical Beast Kingdom and charms the enemy male students on the

S3·E16 Core

The End of the Harvest Festival

Jan 28, 2023 · 25 min

Asmodeus protects Iruma and Clara from Orobas, but he is disqualified from the competition because he directly attacked Orobas. As they watch Asmodeus walk off, they realize that O

S3·E17 Core

Legend Leaf

Feb 4, 2023 · 25 min

The Harvest Festival is coming to an end. Iruma and his friends have managed to obtain the Seed of Beginnings and the Vase of Endings. But they have no idea how to make the Legend

S3·E18 Core

Welcome Back

Feb 11, 2023 · 25 min

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 ev

S3·E19 Core

The Instructors' Banquet

Feb 18, 2023 · 25 min

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 force

S3·E20 Mytharc

Bad Company / Heartfelt Cooking Class

Feb 25, 2023 · 25 min

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

S3·E21 Mytharc

Words for My Friends

Mar 4, 2023 · 25 min

Sullivan invited Bachiko to a huge breakfast to thank her for having contributed to the victory of her darling grandson, but also to inform her about a very worrying situation invo

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