In this live stream, the members will introduce merchandise for the “Grateful Yesterdays Tour 2026” to be held next year!

As a special feature, we're also looking for a survey from all one room members about the "capsule toys" that will be sold at the stadium tour!

The content might be decided by a survey!

Please join us!

▼About the survey

The survey for the capsule toys will display a submission URL within the FanStream app.
Those watching via the web are not eligible. If you wish to participate, please watch via the FanStream app.
Since voting will take place on a separate webpage, please make sure that picture-in-picture (PiP) is enabled beforehand.

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[How to set up Picture-in-Picture]

● For iOS device users
1. Open the Settings app.
2. Select "General" → "Picture-in-Picture".
3. Turn on "Automatically start Picture-in-Picture".

● For Android users
1. Open the Settings app.
2. Select "Apps" → "Special App Access" → "Picture-in-Picture".
3. Turn on "Allow Picture-in-Picture" in FanStream. The menu name and setting location may differ depending on the device model, manufacturer, and OS version.

If you cannot find the relevant item, please include the model name (e.g., Galaxy, Xperia, Pixel, etc.).
Please search using keywords such as "how to set up picture-in-picture".

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"one room TV Live Streaming Special!"

* The one room TV Live Stream Special!" is a live stream exclusively for members of the official fan club "one room".

Those who have completed their membership registration for "one room" (gold key, silver key) at the time of the broadcast can watch.

https://backnumber.info/feature/entry

【schedule】

Starts December 12th (Friday) at 8:00 PM

[Event Hashtags]

#backnumber live stream

[How to watch]

You can watch it via the live streaming app "FanStream" or back number official fan club "one room" website.

■For those watching via the live streaming app "FanStream"

Please install the "FanStream" app in advance.

Please log in using your Plus member ID or email address registered with one room, along with the password you set yourself.

Please see below for detailed instructions on how to use the service.

https://backnumber.info/feature/streaming

*Please be sure to enter "one room TV Live Streaming Special!" to watch the program. It is NOT "short room".

■ For those watching on the "one room" website

On the day of the live stream, you can access it via a special banner posted on the "one room" website.

*You will not be able to access the page by clicking the banner before the broadcast begins. (Currently, you will be redirected to the NEWS page.)

*Viewing on the website is recommended on a PC.

[Notes]

*Please watch in a location with a good internet connection, such as Wi-Fi. Please note that stable video playback may not be possible depending on the signal strength.

*Please allow ample time to access the site, as there may be a surge in traffic just before the stream begins.

*The "one room" website can also be accessed from other devices (PCs or other smartphones) using one room membership number or registered email address and the password you set yourself.

*The streaming page is different from the regular page, so even if you have saved your membership number and password on your device, you will need to log in again. Please check your membership number and password in advance. Please note that we will not be able to respond to inquiries such as "I can't log in" on the day of the live stream.

*Please note that archive streaming may not be available due to unforeseen circumstances.