FAQs and Inquiries

About joining

Please tell me how to become a member.: back number official fan club "one room" offers two membership options: gold key (annual) and silver key (monthly).

Membership benefits differ between the Gold Key (annual) and Silver Key (monthly) memberships.
Please check the member benefits on the new member registration page, select your course, and register as a member.

To become a member, you will need to complete the application process and pay the membership fee via smartphone or computer.

Gold Key (annual fee)

■ For those living in Japan
Membership fee
Membership fee: ¥1,100 (tax included) + Annual fee: ¥5,800 (tax included)
*For renewals from the second year onwards, the annual membership fee will be only ¥5,800 (tax included).

Payment methods
Credit card payment
*Accepted card brands: VISA, MasterCard, JCB, AMEX

Convenience store payment
*After your payment is completed, your membership registration will be completed within 150 minutes, and you will receive a membership registration confirmation email containing your membership number.
*Please make a note of the necessary information, such as your "Customer Number," that will be displayed after selecting your payment method, and then make your payment at the in-store terminal located inside your nearest convenience store.

■ For those living outside of Japan
Membership fee
75 USD(tax-exclusive)
*Includes annual membership fee and overseas shipping fee.
*The same amount will be charged if you continue from the following year onwards.

Payment methods
Credit card payment

Silver Key (monthly fee)

■ For those living in Japan
Membership fee
¥550 (tax included)
Your subscription will automatically renew every month unless you cancel it yourself at the bottom of one room website or on your My Page.

Payment methods
Credit card payment
Instant payment is available, so you can become a member immediately after completing the procedure.
*Accepted card brands: VISA, MasterCard, JCB, AMEX

Carrier billing
You can choose from"d払い", "auかんたん決済", or "SoftBankまとめて支払い".

back number app payment
The payment method is in-app purchase, and an in-app purchase processing fee of 120 yen will be charged.Monthly membership fee: 670 yen (tax included)This is the result.
・iTunes account payment (for iPhone users)
• Google Play payment (for Android users)

■ For those living outside of Japan
Membership fee
5 USD(tax-exclusive)
To stop automatic renewal, please complete the procedure through "My Page" by 23:59 the day before your membership expires. Please note that your membership will automatically renew if you do not complete the procedure by this date.

Payment methods
Credit card payment
Instant payment is available, so you can become a member immediately after completing the procedure.
*Accepted card brands: VISA, MasterCard, JCB, AMEX

back number app payment
Payment will be made via in-app purchase and will cost 6 USD (tax-exclusive).
・iTunes account payment (for iPhone users)
• Google Play payment (for Android users)

*Regarding membership fees, we do not offer pro-rata calculations.
Even if you join in the middle of the month, you will be required to pay the annual or monthly membership fee for that month.