The legendary theater troupe Gekidan Shinkansen marks its 46th anniversary with a roaring summer showstopper, presenting the highly anticipated SHINKANSEN☆RSP bizarre antique musical play, Akechiko! ~The Black Diamond of Steam, or the Island of Madness~. Combining the brilliantly eccentric and vibrant world-building vibes of writer Mitsunori Fukuhara with the signature high-octane theatricality of Gekidan Shinkansen, this brand-new production promises to be an unforgettable, chaotic musical adventure. Set against a steampunk-infused backdrop of mystery and madness, the play delivers non-stop entertainment filled with sharp humor, dynamic stagecraft, and spectacular musical numbers.
Let us make your trip effortless. From tickets and hotels to transport and local guides, we arrange everything for you or your group. Whether it’s a music festival in Tokyo or a business conference in Osaka, our custom travel service ensures you enjoy the event stress-free.
Contact Jasumo Now →Bringing this wild world to life is an exceptionally star-studded cast led by the wildly popular and charismatic voice actor and actor Mamoru Miyano alongside Tomohiro Kamiyama. They are backed by an outstanding ensemble featuring Nicole Ishida, Shinya Hamada, Kohaku Shida, Makoto Awane, and the legendary Arata Furuta. Audiences across Japan will be swept away by the immense energy, breathtaking choreography, and powerhouse vocals of this premium cast as they unravel the mystery of the steam’s black diamond.
Jasumo provide Concierge Ticket Service that assists international visitors in securing tickets that usually require many verifications. Submit your request through the Jasumo Contact Form by sharing your preferred date, venue, or performance, ticket type, and quantity. Once you’ve reviewed the event details, simply confirm your selection and our bilingual team will support you end-to-end, including Smart Ticket application and payment coordination via credit card, convenience store, or ATM.
Please note that ticket availability is not guaranteed. After receiving your request, we will first check real-time availability on the official ticket platform. If tickets are available, we’ll make every effort to secure them for you. If they are sold out, don’t worry — we can also source tickets through trusted and verified resale marketplaces in Japan, helping you get the best possible seats.
| Date | Venue | Seat Types |
| June 12 (Fri) – July 12 (Sun) Afternoon & Evening Slots | EX THEATER ARIAKE (Tokyo) | S Seating, A Seating, S Seating (with goods), Wheelchair Accessible Seats |
| July 24 (Fri) – August 8 (Sat) Afternoon & Evening Slots | Canal City Theater (Fukuoka) | S Seating, A Seating, S Seating (with goods), Wheelchair Accessible Seats |
| August 20 (Thu) – August 30 (Sun) Afternoon & Evening Slots | Festival Hall (Osaka) | S Seating, A Seating, B Seating, S Seating (with goods), Box Seats |
Jasumo provide Concierge Ticket Service that assists international visitors in securing tickets that usually require many verifications. Submit your request through the Jasumo Contact Form by sharing your preferred date, venue, or performance, ticket type, and quantity. Once you’ve reviewed the event details, simply confirm your selection and our bilingual team will support you end-to-end, including Smart Ticket application and payment coordination via credit card, convenience store, or ATM.
Our dedicated team manages the entire process from initial inquiry to final delivery. This specialized support is particularly valuable for events utilizing “Smart Tickets,” which often require specific mobile app setups and Japanese phone number authentication. By handling these logistics on your behalf, we provide a reliable path to your favorite shows while offering flexible payment options that suit your travel needs.
Jasumo offers a specialized facilitation service for foreign tourists and non-Japanese residents in Japan, assisting with ticket acquisition for cultural and entertainment events through authorized and official platforms. We are not a ticket reseller and do not sell tickets directly. Our role is to guide international customers through the official booking process and help overcome common challenges, including:
How can I submit an online request for the Gekidan Shinkansen tour via Jasumo?
You can easily initiate your request by filling out the online Jasumo Contact Form with your preferred city, specific performance dates, targeted seating category, and the total number of tickets required.
What happens if the official general release tickets for the Tokyo dates are completely sold out?
If the primary ticketing platform shows no availability for your chosen dates, our concierge team can navigate trusted, verified secondary ticket resale marketplaces within Japan to locate secure alternatives.
Are special seating tiers like wheelchair accessible seats or tickets with exclusive goods bookable?
Yes, you can request specialized seating options or ticket packages containing promotional merchandise by explicitly specifying your preferences when submitting your inquiry form to our team.
Is it safe to pay for my theatrical tickets using a standard international bank card?
Absolutely, as our service utilizes a highly secure online payment gateway that smoothly processes all major international credit cards once your specific ticket allocation is confirmed.
Can I select specific block sections or individual seat numbers during the checkout phase?
Exact seat location depends directly on live venue promoter inventory, but our bilingual concierge staff always navigates the local purchasing systems to secure the absolute best view available for your group.
From corporate teams to friends traveling together, we create tailor-made travel packages. Enjoy VIP access, curated itineraries, and full support from our local experts. Tell us your plans, and we’ll handle the rest.
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