2.5D Idol Group "ireisu" x JR Central Collaboration! "ireisu" Appears on Manners Promotion Posters at Approximately 100 JR Central Stations, Plus Digital Stamp Rally Linked to Official App Announced!

ireisu, a 2.5D idol group under VOISING Co., Ltd. (headquartered in Minato-ku, Tokyo; CEO: naiko; hereinafter "VOISING"), will launch a collaborative campaign with JR Central. Starting Wednesday, July 1, 2026, "Manners Up Posters" featuring ireisu members promoting courteous behavior at stations and onboard trains will be displayed at approximately 100 stations across the JR Central region. Additionally, from Friday, July 10, a digital stamp rally linked to the JR Central Group's common points service "TOKAI STATION POINT (TOSPO)" will begin.

Enjoy this special collaboration and travel with the members during your journey to concert tours.

"You Can Support Your Favorite Idols Even on Trains." ireisu Members Appear on Manners Promotion Posters

As part of this initiative, "Manners Up Posters" featuring ireisu members encouraging better manners at stations and onboard trains will be displayed at approximately 100 stations and on conventional train lines within the JR Central area.

There are eight poster designs in total: six standard solo-member posters, one rare group photo poster featuring all members, and one train hanging poster.

Visitors to stations will experience the excitement of encountering different member designs each time they visit, while also receiving personalized messages reflecting each member's unique personality, offering fans a special experience of "practicing good manners together with their favorite idols."

Poster Display Details

Display Period: Wednesday, July 1, 2026 – approximately one year

Display Locations: Approximately 100 stations within the JR Central conventional line area (one type per station) and conventional train cars*

Poster Types: Eight types total

• Standard solo-member posters: 6 types

• Rare group photo poster (all members): 1 type

• Train hanging poster: 1 type

*Posters will not be displayed inside premium train cars.

Special "Rare Poster" Featuring All Members

The special rare poster featuring all members will be displayed at the following 14 stations. Please visit your nearest station and look for it as a memorable part of your journey.

Nagoya Station, Shizuoka Station, Numazu Station, Shirakawa-guchi Station, Kumano City Station, Higashi-Hanawa Station, Matsuda Station, Sakura-machi Station, Mizunami Station, Kamezaki Station, Koizumi Station, Kameyama Station, Futamiokitama Station, Ieki Station

*Please be considerate of other passengers when viewing posters inside stations and train cars.

*Please refrain from inquiring with station staff.

Digital Stamp Rally with Exclusive Rewards Linked to "TOKAI STATION POINT" App

Coinciding with the poster display, a digital stamp rally will be held within the JR Central Group's common points service "TOKAI STATION POINT (TOSPO)" app.

By scanning QR codes printed on designated posters with a smartphone, participants can easily collect digital stamps. Depending on the number of stamps collected, exclusive rewards such as smartphone wallpapers and a unique digital completion certificate will be available—only through this campaign.

Campaign Overview

Friday, July 10, 2026 – Saturday, October 31, 2026

Rewards and Conditions

1 First stamp collected: Enter a lottery for TOSPO points

1st Prize (20 winners): 1,000 points

2nd Prize (40 winners): 500 points

3rd Prize (700 winners): 100 points

2 Collect 1 train hanging poster stamp + 2 rare stamps: Receive a smartphone digital wallpaper (group version, 1 type)

3 Collect 1 train hanging poster stamp + 6 rare stamps: Receive smartphone digital wallpapers (6 types, one per member)

4 Complete all stamps: Receive an original digital completion certificate

Campaign Period

Friday, July 10, 2026 – Saturday, October 31, 2026

*To participate in the digital stamp rally, users must download the "TOKAI STATION POINT (TOSPO)" app and register as a member.

*For full campaign details, visit the special page on "TOKAI STATION POINT (TOSPO)": https://tspoint.jr-central.co.jp/campaign/20260701.html

*Wallpapers and digital certificates will be delivered in-app to participants who meet the conditions. Distribution is scheduled for the end of the month following the month in which qualifying stamps were collected.

*If a participant cancels their membership or uninstalls the app during the campaign period, collected stamps will be invalidated. Stamp progress cannot be transferred upon rejoining.

*When scanning QR codes at stations or onboard trains, please be considerate of surrounding passengers.

ireisu Summer Tour 2026 Irregular Vacation -Colorful Street-

ireisu will launch their summer tour "ireisu Summer Tour 2026 Irregular Vacation -Colorful Street-" on Saturday, July 4, 2026, at Mori no Hall 21 in Chiba, touring 14 venues across 13 cities nationwide. The tour will run for approximately three months, concluding at LaLa arena TOKYO-BAY in Chiba on Tuesday, September 22, 2026 (a national holiday).

The current Manners Up Posters and digital stamp rally feature visuals from this tour, enhancing the excitement of traveling toward the concerts through this special collaborative experience.

Title:

ireisu Summer Tour 2026 Irregular Vacation -Colorful Street-

Tickets and Performance Information:

For details, please visit the official ireisu website:

https://ireisu.com/live/

About ireisu

"ireisu (Irregular Dice)" is a 2.5D idol group under VOISING, formed on October 9, 2020. Centered on internet-based activities such as cover song videos, original music, variety projects, and live streams, the group releases content daily while expanding into real-life concerts and corporate collaborations.

In February 2024, they achieved their long-standing goal of holding a concert at Nippon Budokan. On November 30 (Sat) and December 1 (Sun), 2024, they held their first-ever two-day dome concert at Belluna Dome. In summer 2025, they conducted their first nationwide arena tour, attracting approximately 90,000 attendees. In summer 2026, they plan to tour 14 venues across 13 cities nationwide.

Members

Left: Top: -hotoke-

Middle: Hatsuto

Bottom: Riu-ra

Right: Top: If

Middle: Yuyu

Bottom: naiko

Company Overview

Company Name

VOISING Co., Ltd.

CEO

naiko

Address

2-2-15 Hamamatsu-cho, Minato-ku, Tokyo 105-0013

Established

October 2022

Affiliated Groups

ireisu (https://ireisu.com/)

stapola (https://starpola.com/)

cronova (https://chronoreverse.com/)

blackflap (https://blackflap.com/)

Business Activities

Idol support, live production, merchandise manufacturing, music production, video production