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Kichiro Tanaka is Content Manager at Jasumo, the Tokyo-based consultancy that helps international visitors experience Japan without the barriers. He oversees Jasumo's event listings and guides, making sure every page gives overseas visitors accurate dates, venue details and ticket information, and explains clearly the practical steps (Japanese-only registration, phone verification, payment, ticket collection) that can stand between a visitor and the event. He works with Jasumo's ticket and concierge desk in Tokyo, so that what is published reflects how things actually work on the ground.
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August 26, 2026 at 12:00 pm
Event date:
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September 5, 2026 at 6:00 pm
Event end:
South Korean idol group B1A4 performs live at COOL JAPAN PARK OSAKA WW Hall in Osaka on 6 September 2026 for the B1A4 15TH ANNIVERSARY FAN-CON [D-DAY] in JAPAN.
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We understand why you are here
Buying tickets to Japanese events from outside Japan is genuinely difficult, and most visitors only discover this once they have already tried. If any of the following sounds familiar, you are in the right place.
- Your credit card was decline at checkout, with no explanation
- You were ask for a Japanese phone number you do not have
- The whole checkout was in Japanese and you could not get past it
- You need tickets at short notice and cannot afford to keep trying
- The event sold out before you worked out what to do
- You found a seller online but you are not confident the tickets are genuine
- You are not sure how a ticket would even reach you while you are travelling
What Jasumo does about it
- We buy the ticket for you, in Japan, on your behalf
- We handle the entire Japanese side, so no Japanese card or phone number is need from you
- We keep looking after an event has sold out, through our wider network
- We authenticate every ticket as genuine before it reaches you
- We deliver to your hotel or accommodation in Japan, or guide you through an electronic ticket
- We tell you exactly what to do on the day
- You are supported in English from your first message to the night itself
Jasumo is a Tokyo-based ticket concierge in Minato-ku. You tell us the show you want; we deal with the Japanese side and get the ticket into your hands in Japan.
Dates, venues and ticket prices
Performance Schedule
| Date | Venue | City | Doors | Start |
| 6 September 2026 (Sun) | COOL JAPAN PARK OSAKA WW Hall | Osaka | 17:00 | 18:00 |
Ticket Prices
| Category | General price level (JPY) | USD reference |
| General Admission | ¥13,000 | ~$90 |
Ticket prices vary by date, seat category and availability, and change over time with demand. The figures above are a general guide to what seats for this event have been listed at.
The final price for your order is confirme after we discuss your requirements, because availability and delivery differ from event to event.
Tickets for this performance are issued as electronic smartphone passes.
Why this artist or event matters in Japan
B1A4 holds a distinct place in the Japanese K-pop landscape, having built a remarkably dedicated follower base since their official Japanese debut. Known as self-producing idols, B1A4 15TH ANNIVERSARY captured the attention of Japanese audiences through melodious, self-composed tracks that resonate deeply with local music preferences. The group’s Japanese releases have consistently achieved high rankings on the Oricon charts, establishing a sustained presence that sets them apart from short-lived pop trends.
The anniversary milestone marks fifteen years of shared history between B1A4 15TH ANNIVERSARY and their local community. In Japan, fan concerts hold a special significance over standard touring dates, as the format combines live musical performances with interactive talk segments, gaming sessions, and direct fan communication. B1A4 concerts in Japan are celebrated for their personal atmosphere, where long-standing supporters gather to honor the group’s journey and enduring bond.
This anniversary celebration in Osaka brings the group back to Western Japan for a dedicated performance, offering a rare opportunity to experience their hit songs alongside special commemorative stages. For international visitors, attending B1A4 15TH ANNIVERSARY FAN-CON [D-DAY] in JAPAN offers an immersive look into authentic Japanese fan culture during a historic milestone performance.
How you receive your tickets
We secure tickets through a wide network of sources across Japan — event organisers, official ticketing platforms, event owners, and the verified resale market when an event has sold out. Every ticket is authenticate as genuine before it reaches you.
How you receive them depends on the ticket format for the event and the ticketing agency involved. Where physical tickets are issued, we send them by secure courier or by Japan Post to your hotel or accommodation in Japan. Where tickets are issue electronically, we manage the process and guide you through the ticketing application use for the event, so that you know exactly what to do on the day. Also, tickets are collecte in Japan, we tell you where to go and what to bring. We confirm the method for your event when we confirm your order, and you are supporte in English throughout.
Venue and access
COOL JAPAN PARK OSAKA WW Hall (Osaka)
COOL JAPAN PARK OSAKA WW Hall is a modern, mid-sized performance theatre located inside Osaka Castle Park in Osaka, featuring comfortable seating and high-quality acoustics designed for stage plays, concerts, and fan meetings. The venue sits in the Chuo Ward of Osaka, approximately a six-minute walk from Morinomiya Station on the JR Osaka Loop Line and Osaka Metro Chuo Line, right next to the historic landmark of Osaka Castle.
Frequently Asked Questions: B1A4 15TH ANNIVERSARY
Yes, overseas fans can attend the B1A4 concert in Osaka, though purchasing tickets directly often requires local Japanese registration credentials. Jasumo assists international visitors by securing these seats on their behalf.
The tickets for B1A4 at COOL JAPAN PARK OSAKA WW Hall are digital passes accesse via a smartphone application. Jasumo guides buyers through the entire setup process to ensure smooth entry at the venue.
If general sales close for the B1A4 Osaka show, Jasumo continues to source verified seats through an established internal network in Japan.
Your order is made up of the ticket price, the cost of the platforms we use to purchase your ticket, and our service fee. Every event and order is different, so for full details and a price for your specific order, please contact us.
Jasumo handles the digital application process and provides clear, step-by-step guidance in English so guests can present their mobile tickets seamlessly upon arriving at COOL JAPAN PARK OSAKA WW Hall.
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