On the day of the performance, scan the QR code displayed inside the venue to participate in a lottery exclusively for one room members!
For each performance, Gold Key (annual membership) members can participate twice, and Silver Key (monthly membership) members can participate once.
The prize displayed on the results page will be given to you on the spot that same day!
You can join even if you sign up on the day!

prize

• 

  Autographed by the members!!
  Tabletop flag

• 

  Sauna Key
  ~ one room Version~

• 

  one room Sticker

• 

  Stamp-style image
  6 types in total, random

  Seal style piece
  All 6 types of aircraft

Eligibility

Anyone who is one room member and comes to the venue on the day of the performance can participate!
For each performance, Gold Key (annual membership) members can participate twice, and Silver Key (monthly membership) members can participate once.

How to participate

On the day of the performance, anyone who is one room member can participate by scanning the QR code displayed at the fan club booth or inside the venue!
The prize displayed on the results page will be given to you on the spot that same day!
Please be sure to read the following important notes before participating.

*Please note that you cannot participate in the lottery from this page.

On the day of the performance, if you scan the tour's key visual, which is printed on a card distributed near the fan club booth, using the "back number app," you can take a commemorative photo with the key visual using the "AR camera"!
Anyone who has downloaded back number app can use this service.
Please enjoy taking commemorative photos.

How to play

Download back number app, select the AR banner, and then tap "AR Camera" in the upper right corner!
Select "Marker Scan" from the top left menu, and scan the key visual on the card's surface. The key visual will then appear in the camera's view, so move it to your desired position and size and take a picture!

back number app installation

Precautions

• *Even non-members can enjoy the service by installing back number app.
• *Please install the app on your smartphone.
• *iPads and tablets are not guaranteed to work.

Staff members report on what the members were up to backstage and the exciting atmosphere of the venue!

back number app exclusive
Real-time report "moment"

We're planning to release new content called "moment" for app users to enjoy!
On the day of the tour performance, we will post updates on the venue as time progresses and notify you via push notification!
Whether you're at the venue or unfortunately can't make it, let's share this time together.

▼What is moment?
This is a timeline feature that allows you to share photos and videos for a limited time of 24 hours.
We deliver content that is updated in real time.

▼How to use
- Open the app's HOME screen
Tap the staff icon displayed at the top of the screen.

*Push notifications and Moment posts will only be available in Japanese.
*If your network connection is unstable, the content may not be displayed. Please check your signal strength.

movie

We will update the movie section on back number official fan club "one room" website!
Update notifications will be sent via push notifications in back number app and on back number staff X, so please take this opportunity to register.

Click here for staff reports

• *The "one room lottery" can be taken from the vicinity of the venue (within a radius of approximately 10km), as well as from major train stations and shuttle bus stops near each venue. We would appreciate your cooperation in taking part in it before arriving at the venue.
• *Please note that this service cannot be used after you have entered the premises.
• *Please note that the reception time may change depending on preparations and weather conditions.

This is a lottery exclusively for one room members, which can only be drawn near the live venue on the day of the performance.
For each performance, Gold Key (annual membership) members can participate twice, and Silver Key (monthly membership) members can participate once.
The prize displayed on the results page will be given to you on the spot that same day!
You can join even if you sign up on the day!

A request to those participating in one room lottery.

• ・You can participate in the lottery from within the GPS range of approximately 10km radius from each venue via the link "[Participate in the lottery here]".
• ・Due to congestion on the day of the performance, the radio waves around the venue may become unstable.
  You can participate in the lottery from near the venue, as well as from the main train stations and shuttle bus stops at each venue, so we ask for your cooperation in taking part in the lottery before arriving at the venue.

Click here to participate in the lottery.

Location information (GPS) setting method

prize

Precautions

• *Prize redemption is limited to those who come to the respective venue on the day of the event, within the event hours.
• *Prizes can only be redeemed by the winner themselves. Prize redemption by a representative is not permitted.
• *Resale or transfer of the prize won to a third party is prohibited.
• *Please use one of our recommended browsers (Safari or Chrome).
• *Please enable location services on your smartphone to participate.

Click here to participate in the lottery.

During the “Grateful Yesterdays Tour 2026” domestic stadium tour, those who join back number official fan club “one room” gold key (annual membership) and visit the fan club booth at each venue will receive a special gift: an “one room original skeleton acrylic keychain”!

Even if you are already a "one room" gold key member, you will receive the same gift if you refer a friend (a new gold key member)!

one room original
Skeleton Acrylic Keychain

How to redeem rewards

• *New members should log in to the "one room" website on their smartphone, display the "redemption screen" on their My Page on the website, and present it at the fan club booth.
• *Membership benefits can only be redeemed once per new member who is eligible for this campaign.
• *To redeem your friend referral campaign reward, both the referrer (gold key) and the new member eligible for the campaign must come to the fan club booth together. After logging into one room website on your smartphone, both the new member and the referrer must present their My Page on the website (membership cards are not accepted).
• *The friend referral campaign is limited to one referral per new member.
• *The offer will end as soon as the benefits run out.

Precautions

• *The new member and friend referral campaign is only valid for those who join Gold Key (annual membership) via the website between May 2nd (Sat) and June 28th (Sun), 2026, and who can personally visit the fan club booth at each venue.
• *This offer also applies to those who changed from a Silver Key (monthly) to a Gold Key (annual) during the eligible membership period.
• *We do not accept new Gold Key membership applications or renewals at the venue.
• *Please note that Silver Key does not offer any venue-based membership benefits or friend referral campaigns.
• *No refunds will be given for cancellations or terminations after membership application has been submitted.

During the tour, we will be using back number app to implement an "AR camera" where you can take photos with the tour's key visual!

Anyone who has downloaded back number app can use this service, so whether you're attending the venue or not, please enjoy taking commemorative photos.
There's also a special AR frame design available exclusively for one room members!

Please share the photos you take on social media using the hashtag "#backnumberstadiumtour"!

How to play

Download back number app, select the AR banner, and then tap "AR Camera" in the upper right corner!
After tapping "Play" for the performance date, the camera will activate, so please move it to your desired position and size and take a picture!

back number app installation

• *To use the AR function, you will need to update to the latest version of the app.
• *We will notify you via the app when the latest version is released.

Precautions

• *Even non-members can enjoy the service by installing back number app.
• *Please install the app on your smartphone.
• *iPads and tablets are not guaranteed to work.
• *An update to the latest version is required to use the AR function.

Staff members report on what the members were up to backstage and the exciting atmosphere of the venue!

back number app exclusive
Real-time report "moment"

We're planning to release new content called "moment" for app users to enjoy!
On the day of the tour performance, we will post updates on the venue as time progresses and notify you via push notification!
Whether you're at the venue or unfortunately can't make it, let's share this time together.

▼What is moment?
This is a timeline feature that allows you to share photos and videos for a limited time of 24 hours.
We deliver content that is updated in real time.

▼How to use
- Open the app's HOME screen
Tap the staff icon displayed at the top of the screen.

*If your network connection is unstable, the content may not be displayed. Please check your signal strength.

• *An update to the latest version is required to use this feature.
• *We will notify you via the app when the latest version is released.

movie

We will update the movie section on back number official fan club "one room" website!
Update notifications will be sent via push notifications in back number app and on back number staff X, so please take this opportunity to register.

Click here for staff reports