As an additional part of the “Grateful Yesterdays Tour 2026,” an Asian tour has been announced, with dates in Taipei, Seoul, and Hong Kong!

This will be back number 's first overseas performance.

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"Asian Tour!!"

Or

"We're performing live overseas!!!"

When someone says something like that, it makes me tense up.

Ambition, band image, etc.

I feel like I'm about to start talking about something complicated.

"It seems there's someone waiting for you."

When you say

Oh really? Then I have to go!

That's what happens.

Still a little

Really?

Are there enough people here to hold a live performance?

Just kidding!

Sometimes I think so, sometimes I don't.

Feeling excited and thrilled

But before that, there's a big job to do domestically.

That's how I'm living my life.

I would be happy to meet you somewhere.

Even if we can't meet

Sometimes they remember me

I'm happy just knowing that you're listening to my music.

Iyori Shimizu

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Grateful Yesterdays Tour 2026  

8/22 (Sat) [Taipei] Taipei Arena

OPEN 16:30 / START 18:00  

8/23 (Sun) [Taipei] Taipei Arena

OPEN 16:30 / START 18:00  

September 12th (Sat) [Seoul] SEOUL KINTEX Hall 9

OPEN 16:30 / START 18:00　  

9/13 (Sun) [Seoul] SEOUL KINTEX Hall 9

OPEN 16:30 / START 18:00　  

9/26 (Sat) [Hong Kong] HONG KONG AsiaWorld-Expo Hall 10

OPEN 16:30 / START 18:00　  

9/27 (Sun) [Hong Kong] HONG KONG AsiaWorld-Expo Hall 10

OPEN 16:30 / START 18:00　  

*Local time

The fastest pre-registration for one room members (lottery system) starts today at 19:00!

■ Fastest one room member advance booking (lottery system)

[Application Eligibility]

back number official fan club "one room" gold key (annual fee) valid members (those who have an electronic ticket compatible device)

*Applications are accepted from both members residing in Japan and members residing overseas.

*You can apply for tickets immediately after completing the membership/renewal procedures.

*If you are changing from silver key (monthly) to gold key (annual) and are unable to register as a member, please contact us through one room.

▼Click here to join "one room"

https://backnumber.info/feature/entry

[Application period]

March 16, 2026 (Mon) 19:00 - March 23, 2026 (Mon) 18:59 *Japan Standard Time

[Number of tickets applied for]

Up to two tickets per person per performance

[Special site]

https://backnumber.info/stadiumtour2026/