Information regarding the special event at the release event held on December 5th, 2026 (Saturday) at Seven Park Amami in Osaka.

We are pleased to announce the details of the release event to commemorate the release of our second major album, "MEGA GOLDEN".
Please be sure to read the entire document to the end, and please strictly follow the rules and etiquette so that everyone at the venue can enjoy the event.
If you do not check the precautions in advance, we will not be able to respond to any problems that arise on the day.

We look forward to seeing you all there.

*Please be sure to follow the rules below when participating.
"CD purchase tickets" and "priority area admission tickets" can only be applied for one per person (up to one device).
You cannot apply multiple times using multiple devices.
Please note that we will contact customers who have multiple "CD purchase tickets" or "priority area admission tickets."
 

[Date, Time and Venue]
Saturday, December 5, 2026
Mini-live performance starts at 13:30. Meet and greet event starts at 14:10. (Please note that start times may vary.)
Osaka Prefecture - Seven Park Amami Ground-level Parking Lot Outdoor Special Stage
https://amami.sevenpark.jp/
 

[Request to use public transportation]
Heavy traffic is expected on surrounding roads and in parking lots on the day of the event.
To help alleviate congestion, we kindly request your cooperation in using public transportation to get to the venue.
<Access>
■ If you are coming by train or bus
• Approximately 15 minutes on foot from Kawachi-Amami Station on the Kintetsu Minami-Osaka Line.
• Approximately 5 minutes by bus from Kawachi-Amami Station on the Kintetsu Minami-Osaka Line.
■ Bus Timetable
Kawachi-Amami Station (bound for Seven Park Amami)
Seven Park Amami (bound for Kawachi-Amami Station)
 

[Cast]
ONE N’ ONLY (TETTA / REI / EIKU / HAYATO / NAOYA)
*Please note that participating members may be absent or changed without notice.
 

[Event Details]
Mini Live & Special Event
Special event details
・All members air high touch event
・Member individual jacket presentation
*The special event is for customers who purchase a CD. Please see the information below for details on how to participate.

Mini Live
The mini live show is free to watch.
*A "priority viewing area" will be set up for the mini live performance, allowing you to see the event from closer up.
*For details and precautions regarding the mini live and priority viewing area, please be sure to check the sections below titled [About the mini live] and [About the priority viewing area].
 

[How to participate in the event]
Information regarding "CD purchase tickets" and "priority viewing area admission tickets (with serial numbers)" using the LINE app.
https://one-n-only.jp/contents/980252

① Pre-registration lottery system: "CD purchase numbered ticket"
In order to ease congestion when purchasing CDs, we will be introducing a "CD purchase ticket" system that uses a lottery system for advance application via the LINE app. Customers who wish to purchase CDs must apply in advance. Customers who do not have a "CD purchase ticket" may not be able to purchase a CD.
In addition, "priority viewing area admission tickets (with serial numbers)" will also be issued via the LINE app.
Please see below for how to issue your "CD purchase ticket" or "priority viewing area admission ticket (with serial number)".

Advance ticket registration period: November 27, 2026 (Fri) 20:00 - December 1, 2026 (Tue) 23:59
Lottery results announcement date and time: December 3rd (Thursday) 20:00

Application method and details for CD purchase tickets: https://lin.ee/QNOEy3i

Priority viewing area admission ticket (first-come, first-served/numbered ticket)
After purchasing the CD, one ticket will be issued via the LINE app per person per transaction.
*Serial numbers will be assigned randomly, not in order of purchase.
*Please note that the number of "Priority Viewing Area Admission Tickets (with serial numbers)" is limited. They will not be given to everyone who has a "CD Purchase Ticket".
*Tickets will be issued by staff. If a ticket is issued before staff can operate it, you will be directed to the back of the line for priority entry, so please do not operate it yourself.

<Please note>
Please note that the procedure for customers with a "CD Purchase Ticket" to access the CD sales area will be slightly different from before. Please check the following beforehand.
・The meeting time indicated on the numbered ticket is only an estimate. Please note that the actual meeting time may change depending on the sales situation on the day.
・To avoid keeping you waiting in line, we will call you when the purchase queue is moving forward.
・Entry to the actual CD sales area will be granted to customers whose QR codes are displayed first. (Customers will be called in order of their assigned numbers.)
・Please check the queue ticket screen for the current call status on the day.
*Details on how to check will be provided at a later date.

Special Event
Customers who purchase our major 2nd album "MEGA GOLDEN" will receive tickets to participate in various special events.

Special event participation ticket
■ Ticket to participate in the air high-five event for all members
→Purchase any one "MEGA GOLDEN" and you will receive one ticket to participate in the air high-five event.

■ Participation ticket for the individual member alternate jacket handover event
→Purchase any two "MEGA GOLDEN" CDs (any combination of CDs) and you will receive one ticket to participate in the alternate jacket giveaway event.

*There are two types of special event participation tickets, so please be sure to select one at the register when purchasing.
*Please specify the member to receive your ticket to the individual member's jacket distribution event.
 

＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
 

■Purchase CDs on the day of the event
CD purchase start time: 9:00 (scheduled) We will guide you in the order of CD purchase serial numbers.
Assembly location: Near the CD sales booth at the outdoor special stage in the ground-level parking lot of Seven Park Amami.

*On the day of the event, staff will guide you into the sales line in order.
*The maximum number of CDs you can purchase in a single transaction will be announced on the day of the event. Please understand that this is a limit set to allow as many customers as possible to participate.
*The number of "Special Event Participation Tickets" is limited. Distribution will end as soon as the planned number is distributed.
*If the distribution of "Special Event Participation Tickets" has ended after the mini live, there will be no additional CD sales. For details, please check the announcement at the venue on the day.
*When purchasing a CD, please line up only with the person who will be purchasing the CD. (Children can line up together.)
Products purchased at the event are not eligible for store-specific buyer benefits.
*Reservations and holds are not possible for participation tickets for the special event for eligible products.
*Event-eligible products are not eligible for in-store campaigns, coupons, or point promotions.
*Payment methods accepted are cash, credit card (one-time payment), and QR code payment.
・Credit cards: VISA, Mastercard, JCB, American Express, Diners Club, DISCOVER, UnionPay
・QR code payment: d払い, PayPay, au PAY, Rakuten Pay, Merpay, WeChat Pay, Alipay+
*Various electronic money, point cards, discount coupons, etc. cannot be used.
*Please note that we cannot accept cancellations/returns/refunds after purchase.
*Payment by credit card or QR code may not be possible depending on the signal strength.
*Please note that we cannot accept cancellations or refunds after purchase for any reason, including event cancellation due to severe weather, changes in participating members, or if you are unable to attend on the day.
 

＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
 

[Event participation eligible products]
Released on Wednesday, December 2, 2026
Major 2nd album "MEGA GOLDEN"
Limited Edition A (CD + Blu-ray / UPCH-7904) ¥4,950 (tax included)
Limited Edition A (CD + Video Preview Code / UPCH-7905) ¥4,950 (tax included)
Limited Edition B (CD + Blu-ray / UPCH-7906) ¥4,950 (tax included)
Limited Edition B (CD + Video Preview Code / UPCH-7907) ¥4,950 (tax included)
Regular Edition/First Pressing (CD/UPCH-7908) ¥3,300 (tax included)

Information about "MEGA GOLDEN" can be found here ▼
https://one-n-only.jp/musics/21316
 

＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
 

[About the mini live]
・During the mini live, you will be allowed to take pictures with your mobile phone or smartphone only for one song designated on the day. We will inform you on the day which songs are allowed to be taken videos. Please note that taking pictures at any other events is prohibited.
・The mini live is free and open to the public, but only in the designated free space at the venue. Viewing outside of the designated area is not permitted.
・Since the venue has limited space, admission may be restricted depending on the situation.
 

[About the priority viewing area]
・To enter the priority viewing area, each person aged elementary school or older will need a "priority viewing area admission ticket (with serial number)."
・Please be punctual at the meeting place indicated on the ticket.
・One person will be admitted per admission ticket, in the order of the number printed on the ticket.
Regardless of the number of CDs purchased, each person will receive only one admission ticket.
・Ticket numbers will be issued randomly, not in order of purchase.
・Bringing large luggage such as suitcases is prohibited. Please leave your luggage in a public locker before coming. Customers with large luggage will be refused entry.
・Admission tickets are limited in number.
We will not reissue admission tickets due to malfunctions in the customer's device.
If you are entering with a companion, you will enter according to the later number in your ticket.
 

[Notes regarding viewing the mini live show]
- Viewing the exhibit from the top of ladders, platforms, or steps is prohibited anywhere in the venue.
・Jumping and any other behavior that may cause inconvenience to other customers is strictly prohibited.
Please refrain from bringing anything that obstructs the view of other customers into the venue, as it will inconvenience them. Also, please keep towels or similar items below shoulder height, as holding them above shoulder height will inconvenience those behind and around you. If we determine that you are engaging in any behavior that is inconveniencing other customers, our staff may give you a warning.
・Bringing in unofficial penlights such as modified glow sticks or other light-up items other than official ONE N' ONLY merchandise, as well as handmade fans or message boards, is prohibited.
 

[Notes regarding the air high-five event]
・Any actions other than air high-five are prohibited.
・During the air high-five event, you will be asked to walk in a single line without stopping. Please follow the instructions of staff and proceed promptly without stopping.
・You may not stop to talk to the members, ask them to call you by name, ask them to pose, etc. Stopping to show messages written on your hands or arms is also prohibited.
・Please bring your belongings with you, but you are not allowed to carry anything in your hands, such as a fan or board. Any items that staff deem dangerous will be temporarily kept in your custody before you participate.
・If you are participating multiple times, please line up at the end of the line again.
 

[Notes regarding individual member handover events]
・For each hand-over event participation ticket, you will receive a release event exclusive other jacket (each solo design) from one member of your choice.
・Only one member of your choice and one customer will be allowed to participate.
・Contact behavior such as shaking hands or high-fiving is prohibited.
・We cannot hand over letters, gifts, etc.
・You will not be able to bring any luggage with you.
・If you have multiple bonus tickets, we ask that you participate in the event together.
 

[Regarding the holding of outdoor events]
・Since the event will be held outdoors, please take precautions against the cold when attending.
・If you are feeling unwell or become unwell, please inform a member of staff. Also, if you notice any other customers around you showing signs of a sudden change in their health or becoming unwell, please inform a member of staff.
・Please be careful not to overexert yourself when participating.
- The organizers, performers, and facility staff will not be held responsible or liable for any compensation in the event of an emergency.
The venue is an open outdoor space. The event is scheduled to proceed rain or shine, but may be canceled, interrupted, or modified in case of severe weather.
• The use of umbrellas will be restricted during the event. If the event is held in case of rain, please bring your own rain gear such as a raincoat.
 

[General notes regarding the event]
・Photography, recording, and filming are strictly prohibited except during the performance of songs that are allowed for photography during the mini live. If you are found to be taking photographs, recordings, or filming, you will be asked to delete all filmed, recorded, or filmed data, and you will be banned from entering the event venue in the future as well as that event. Also, please be careful not to point your cell phone, smartphone, or other camera towards the stage where the members are, the event staff, or other customers. If anything suspicious is observed, a staff member will approach you and ask about the situation.
If the event organizers determine that the crowd situation on the day of the event far exceeds expectations and that safe operation is difficult, they may be forced to change or cancel some of the event content.
Please refrain from occupying seats for extended periods or obstructing passage within the commercial facilities at the event venue, such as food courts and shops. We ask that you participate while observing proper etiquette. Please note that if luggage is left unattended for an extended period, it may be removed.

For more detailed information, please read this before participating in the event.
[Notes for ONE N' ONLY release event] 
https://one-n-only.jp/contents/949777

[Please check here for information on the day of the event]
X : https://x.com/ONO_eventinfo
 

[inquiry]
Universal Music Customer Service Center (Customer Service Center)
https://support.universal-music.co.jp/hc/ja　　
(Monday to Friday 10:00 to 18:00 *Excluding public holidays)
Depending on the content of your inquiry, it may take some time to receive a response.
We will respond to your inquiries via email.
*Please refrain from contacting the venue.