Sep 14, 2026

“Iruma-kun: Possessed!” × Karaoke Kan—Starts September 18!

Name: I've Been Possessed! Iruma-kun × Karaoke Kan Collaboration Campaign
Start: 2026-09-18
End: 2026-11-01
Location: Karaoke Kan—38 Locations Nationwide

A collaboration campaign between the TV anime “Iruma-kun: The Demon Has Entered!” and Karaoke Kan will be held from September 18 to November 1, 2026.

In addition to collaboration drinks that come with free gifts and original merchandise, there will also be collaboration rooms available exclusively at two locations and a singing campaign open to all locations.

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Key Points of This Article

・Anime “Demon Slayer: Iruma-kun” Season 4 × Karaoke Kan
・September 18–November 1, 2026
・All 5 collaboration drinks and original merchandise are available exclusively at 38 locations nationwide
・Collaboration rooms are available exclusively at the Ikebukuro South Exit and Namba Ebisu Bridge branches and require advance reservations
・The singing campaign is available at all Karaoke Kan locations

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“I’m a Demon! Iruma-kun” “Karaoke Kan Collaboration” Event Overview

This is a collaboration campaign between the TV anime “I’m a Demon! Iruma-kun” and Karaoke Kan. The campaign consists of four simultaneous initiatives: drinks, merchandise, collaboration rooms, and a singing campaign.

Key Visual for the 'Demon Slayer! Iruma-kun × Karaoke Kan' Collaboration Campaign

©Osamu Nishi (Akita Shoten)/”The Devil Is a Part-Timer! Iruma-kun” Season 4 Production Committee

“Iruma-kun” × Karaoke Kan Collaboration Campaign Overview
Campaign Name	“Iruma-kun” × Karaoke Kan Collaboration Campaign
Campaign Period	September 18–November 1, 2026
Campaign Details	Collaboration Drinks / Original Collaboration Merchandise / Collaboration Rooms / Singing Campaign
Drinks & Merchandise	Limited to 38 locations nationwide
Collaboration Rooms	Exclusive to two locations: Ikebukuro South Exit Store (Tokyo) and Namba Ebisubashi Main Store (Osaka)
Singing Campaign	All Karaoke Kan locations
List of Participating Locations	PDF of Stores Selling Drinks and Merchandise
Official Website	Karaoke Kan Campaign Page
Official X	Iruma-kun:@ nep_irumakun/Karaoke Kan: @BV_karakan

“I’m Possessed! Iruma-kun” “Karaoke Kan Collaboration” Collaboration Drinks

There are 5 types of collaboration drinks in total, each priced at 700 yen. For every drink you order, you’ll receive one random photo card from a set of 6 instant-style cards.

©Osamu Nishi (Akita Shoten)/Demons Have Entered! Iruma-kun Season 4 Production Committee

Collaboration Drinks: 5 Varieties, 700 yen each
Mysterious Idol Irumi♡ Blue Drink	Blue Hawaii Syrup / Lactic Acid Bacteria Drink
Mischievous Idol Lindy♡Tropical Sunset	Mango syrup/Strawberry syrup/Soda
The Arrogant Diva Kuromu♡ KOAKUMA Drink	Strawberry Syrup / Probiotic Drink
The Noble Akudoru Merry♡ Berry Spice Soda	Strawberry Syrup / Ginger Ale
Enchanting Idol Aku-Ilumi♡Galaxy Soda	Strawberry Syrup/Blue Hawaii Syrup/Soda

*For every drink ordered, you’ll receive one random instant-style photo card (6 varieties total). You cannot choose the design, and this offer ends when supplies run out.
*We also plan to hold an original giveaway event, but details will be announced at a later date.
*Drinks are available from 11:00 a.m. until closing time. Only at the Namba Ebisubashi Main Store, they are available starting at 9:00 a.m.
*Purchase of collaboration drinks is limited to customers using the karaoke service.

The article continues after the following advertisement

“Demons Have Entered! Iruma-kun” “Karaoke Kan Collaboration” Merchandise

Original collaboration merchandise is also available exclusively at 38 locations nationwide. The lineup includes three types of items: acrylic stands, pin badges, and clear file folders.

Prices for Original Collaboration Merchandise
Acrylic Stands	5 types total, 1,980 yen each
Pin Badges	10 varieties total, 550 yen each (random selection)
Clear File Folders	5 varieties total, 550 yen each

There is a limit on the number of items each person can purchase.

Notice Regarding Purchase Limits for Original Merchandise

Purchase Limits for Original Merchandise
Pin Badges (Blind Packs)	Up to 10 items
Acrylic Stands	Up to 5 of each type
Clear File Folders	Up to 5 of each type

*Purchase limits are subject to change or removal without notice depending on circumstances
*Merchandise sales are from 11:00 a.m. until closing. Only at the Namba Ebisubashi Main Store: from 9:00 a.m.
* Purchases of collaboration merchandise are limited to customers who use the karaoke service
※Visits or purchases for the purpose of resale will be refused

“Demon Slayer: Iruma-kun” “Karaoke Kan Collaboration” Collaboration Rooms

The collaboration rooms are available at only two locations: the Ikebukuro South Exit branch in Tokyo and the Namba Ebisu Bridge Main Store in Osaka.

©Osamu Nishi (Akita Shoten)/Demon Slayer: Iruma-kun Season 4 Production Committee

Prices and Schedule

Collaboration Room Rates
90-Minute Course (Weekdays)	1,700 yen per person (tax included)
90-Minute Course (Weekdays)	1,700 yen per person (tax included)
Late-Night Open Hour (Weekdays)	2,700 yen per person (tax included)
Late-Night Open Time (Weekends and Holidays)	3,200 yen per person (tax included)
90-Minute Course Time Slots	11:00–12:30 / 13:00–14:30 / 15:00–16:30 / 17:00–18:30 / 19: 00–20:30 / 21:00–22:30
Late-Night Free Time Time Slots	23:00–5:00 the following day

*The 90-minute course requires a separate fee and includes one drink. Late-night open hours include an all-you-can-drink bar.
*Only the Namba Ebisubashi Main Store offers a 9:00–10:30 time slot.

The article continues after the following advertisement

How to Make a Reservation and Important Notes

Reservations can only be made through the special website; phone reservations are not accepted.

Collaboration Room Reservation Page
Ikebukuro South Exit Branch (Tokyo)	Reservation Page
Namba Ebisubashi Main Store (Osaka)	Reservation Page

*Available for groups of 1 to 12 people
*A 100% cancellation fee will be charged for no-shows
* Children under elementary school age are free
*Cannot be combined with discount coupons, promotions, birthday perks, or other offers
*Guests under 16 may use the facility until 3:00 PM. If accompanied by a guardian, use is permitted until 7:00 PM
*Guests under 18 may use the facility until 7:00 PM
* After 11:00 PM, even 18-year-olds who are currently enrolled in high school or have graduated within the past year (through March 31) are not permitted to use the facility
*To change or cancel a reservation, call the store directly

“The Devil Is a Part-Timer! Iruma-kun” “Karaoke Kan Collaboration” Singing Campaign

The singing campaign is available at all Karaoke Kan locations. Sing one of the eligible songs to participate and receive a special gift.

Bonus Content

Singing Campaign Bonuses
Tapestry	20 winners selected by lottery (W515×H728mm)
Original Digital Wallpapers	All 5 designs will be given to all participants (designs cannot be selected)
Wallpaper Distribution Period	September 18, 2026 – November 1, 2026

How to Enter

How to Enter by Device Type
SmartDAM WAO!	Tap the “Karaoke Kan” button
SmartDAM Ai/SmartDAM AiR	Tap the campaign banner displayed on the screen

*Songs may not be available on some models
*The campaign may be canceled, or its duration or details may change depending on circumstances

Eligible Songs

Eligible Songs (Song Title/Artist & Request No.)
123	Penthouse/1464-60
Debi-kyu	Yu Serizawa/4503-35
Super Championship Tune!	CANDY TUNE/1455-73
Magical Babyrinth	DA PUMP/6260-35
Kokoro Showtime	Amatsuki/5375-20
No! No! Satisfaction!	DA PUMP/6975-29
Giri Giri Ride It Out	FANTASTICS from EXILE TRIBE/6065-93
Nabe Bugyo	Wednesday Campanella/7350-79
Your Little Devil Apocalypse	Kuromu (voiced by Nao Higashiyama) /Illumi (voiced by Ayumu Murase)/4531-42
A Girl in Love Is Invincible	Kuromu (voiced by Nao Higashiyama)/3361-27
The Sun’s Rororororono-we	Ronowe Romiere (voiced by Tatsuhisa Suzuki)/3361-33
Babyls Demon School Anthem	All Volunteer Anime Staff / The Fun Demon Voice Actors / 4529-94
Clara Land ~Miracle Chu-Chu-Chu~	Friendship Overflowing! The Waraku Family (All voiced by Ayaka Asai)/4531-95
The Bustling Forest Is a Super Magic Market	The Waraku Family (All voiced by Ayaka Asai)/3361-26
Venus of Toyland	Waraku Clara (Voiced by: Ayaka Asai)/3389-16
Magic, Magic Teacher	The Waraku Family (All voiced by Ayaka Asai)/3361-25
Clara’s Lullaby	Clara Waraku (Voiced by: Ayaka Asai)/3361-53
Legend Leaf Search Song	The Forest Beasts/ 3389-19

Frequently Asked Questions About the “Iruma-kun” x “Karaoke Kan” Collaboration

When will the “Iruma-kun” Iruma-kun × Karaoke Kan: When will the event take place?

From September 18 to November 1, 2026. Collaboration drinks and merchandise are available exclusively at 38 locations nationwide, while the singing campaign is available at all Karaoke Kan locations.

Where will the collaboration rooms be available?

Only at two locations: the Ikebukuro South Exit branch in Tokyo and the Namba Ebisu Bridge Main Store in Osaka. Reservations are required in advance and can only be made through the special website; phone reservations are not accepted.

Can I just buy the merchandise?

No. Purchases of collaboration merchandise and drinks are limited to customers using Karaoke Kan. Sales are from 11:00 AM until closing time; only at the Namba Ebisu-bashi Main Store, sales begin at 9:00 AM.

『魔入りました!入間くん第4シリーズ』アクリルスタンド G プルソン・ソイ
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List of Articles on “The Devil Is a Part-Timer! Iruma-kun”

Please check the official website for details.
*Please note that the information in this article may be out of date. We apologize for the inconvenience, but please check the official website for the latest details.

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