[Iruma City, Saitama Prefecture] Iruma City × Anime 'Mairimashita! Iruma-kun' × Seibu Railway Collaboration Project: 'Mairimashita! Iruma City Debidebi Touring Campaign!'

Iruma City (Mayor: Rikio Sugishima), the anime 'Mairimashita! Iruma-kun,' and Seibu Railway Co., Ltd. (Headquarters: Tokorozawa City, Saitama Prefecture; President: Shichiro Ogawa) are implementing the 'Iruma City × Anime Mairimashita! Iruma-kun × Seibu Railway Collaboration Project: Mairimashita! Iruma City Debidebi Touring Campaign!' starting May 27, 2026, aiming to revitalize Iruma Station and surrounding shopping districts.

As part of the 'Mairimashita! Iruma City Debidebi Touring Campaign,' from July 17 (Fri) to November 30 (Mon), 2026, trading card-style 'Iruma City Support Team Special Certification Cards' featuring 15 characters and Iruma City's recommended spots will be distributed at designated stores in the 'Apopo Shopping Street' and 'Machiya-dori Town Development Shopping Street' within Iruma City.

Additionally, streetlights in Apopo Shopping Street have been illuminated in a fantastical blue, evoking the world of Iruma-kun. Starting July 18 (Sat), 15 characters will appear as design flags set against the backgrounds of 'Babyls Demon School' and 'tea fields'!

To promote visits to Iruma City and enhance circulation in surrounding areas, the 'Anime Mairimashita! Iruma-kun × Seibu Railway Discount Outing Ticket' will be sold from July 17 (Fri), 2026, to September 23 (Wed, Holiday).

We encourage you to visit Iruma City, brought to life by Iruma-kun and friends, and experience the charm of the city.

Details are as follows:

About the 'Mairimashita! Iruma City Debidebi Touring Campaign!' Collaboration Project

〇 Receive the 'Iruma City Support Team Special Certification Card' by visiting shopping streets

To commemorate the certification of Iruma-kun and his friends as Iruma City Support Team members, we will distribute trading card-style 'Iruma City Support Team Special Certification Cards' as follows. Please visit the designated stores and aim to complete all 15 types.

【Distribution Schedule】 Phase 1: From July 17, 2026 (Fri) to September 23 (Wed, Holiday) (7 types)

Phase 2: From September 24, 2026 (Thu) to November 30 (Mon) (8 types)

※ The certification cards are limited in quantity and will end when supplies run out. Thank you for your understanding.

【Distribution Locations】 Available at designated stores in Apopo Shopping Street and Machiya-dori Town Development Shopping Street.

※ Please check the official Iruma City website for a list of designated stores.

https://www.city.iruma.saitama.jp/soshiki/shokokankoka/event/14703.html

Phase 1: Iruma City Support Team Special Certification Card

〇 Connecting the station and anime: Shopping street demonification plan

Streetlights in Apopo Shopping Street are illuminated in a fantastical blue, inspired by the world of Iruma-kun.

Furthermore, starting July 18 (Sat), 15 characters will appear as design flags set against the backgrounds of 'Babyls Demon School' and 'tea fields'! Iruma-kun and his friends will welcome you.

〇 Meet Iruma-kun at 'Iruma City Station Front Alley Summer 2026 ~Cooling Down with Water Sprinkling and Music~'!

Life-size character panels of Iruma-kun and his friends will be installed at the venue of 'Iruma City Station Front Alley Summer 2026,' held on July 30 (Thu) and 31 (Fri), 2026.

The event features food trucks, street music performances, water sprinkling, and distribution of cardboard fans made from tea grounds. Please come and enjoy!

(Details here)

https://www.city.iruma.saitama.jp/soshiki/shokokankoka/event/11974.html

〇 Anime 'Mairimashita! Iruma-kun' × Seibu Railway Discount Outing Ticket

Sales Period: July 17 (Fri), 2026 – September 23 (Wed, Holiday), 2026

Price: 1,800 yen (No child tickets available)

Ticket Contents: The following 4 items will be issued from ticket machines:

① Seibu Railway × Seibu Bus Discount Outing Ticket (1)

② Mitsui Outlet Park Iruma Shopping Voucher Exchange Coupon (1)

③ Anime 'Mairimashita! Iruma-kun' × Seibu Railway Original Sticker Exchange Voucher (1)

④ Guide Ticket (1)

About the 'Anime Mairimashita! Iruma-kun × Seibu Railway Original Sticker Exchange Voucher'

Exchange available at designated stores in 'Apopo Shopping Street' and 'Machiya-dori Town Development Shopping Street' within Iruma City.

Please check the official Iruma City website for designated stores.

https://www.city.iruma.saitama.jp/soshiki/shokokankoka/event/14703.html

Original Sticker Design Concept

※ For details on the outing ticket, please visit the Seibu Railway website.

https://www.seiburailway.jp/file.jsp?id=28011

【Iruma City Official Website Special Page】

https://www.city.iruma.saitama.jp/soshiki/shokokankoka/event/14703.html

【Reference】About the anime 'Mairimashita! Iruma-kun'

【Introduction】

'Mairimashita! Iruma-kun' follows the struggles and growth of Suzuki Iruma, a human boy who becomes the grandson of a great demon and enrolls in Babyls Demon School. Serialized by Nishio Shuu in 'Weekly Shonen Champion (Akita Shoten)' since March 2017, the comic series has surpassed 20 million copies in cumulative circulation (as of March 2026).

【Story】

Suzuki Iruma attends Babyls Demon School while hiding his humanity.

He makes demon friends, begins to enjoy life in the demon world, and excels in various events.

Rising through the ranks in the demon world, he becomes a focal point both inside and outside school.

Now, Iruma faces a new challenge: the <Music Festival>, which tests class unity!

His abnormal class of 13 problem students is tasked by the school with the unprecedented and unreasonable goal of all achieving 'Rank 4'.

Winning the music festival, their final chance to advance, is an absolute requirement.

However, one classmate is a demon who 'must not stand out'...

Can Iruma and his classmates all take the stage together!?

【Broadcast Information】

Airing every Saturday at 6:25 PM starting April 2026 on NHK Educational TV

© Nishio Shuu (Akita Shoten) / Mairimashita! Iruma-kun Season 4 Production Committee

【Inquiries】

Business Content:

Environmental Economy Department, Commerce and Tourism Division: Kaneko, Amano

1-16-1 Toyooka, Iruma City

TEL: 04-2964-1111 (Ext. 4255, 4257)

Planning Department, Planning Division, Future Co-Creation Policy Promotion Office: Yamanaka, Motobashi

1-16-1 Toyooka, Iruma City

TEL: 04-2964-1111 (Ext. 3135)

Others:

Planning Department, Secretariat and Public Relations Division: Kishida, Toyama

1-16-1 Toyooka, Iruma City

TEL: 04-2964-1111 (Ext. 3122)