Business Disclosure (Specified Commercial Transactions Act)
Last updated: 16 March 2026
| Business name | Sho Asano (trading as LUMA) |
|---|---|
| Address | Tokyo, Japan Disclosed promptly upon request. |
| Phone | Please use the contact form. → Contact form Disclosed promptly upon request. |
| studio.luma.jp@gmail.com | |
| Service name | S.League (mahjong tournament series) and other LUMA services |
| Pricing | As listed on each service or event page (incl. consumption tax) |
| Payment methods | Credit card (Square Invoice) PayPay Bank transfer |
| Payment due | Within 5 days of application |
| Service delivery | On the date listed on each event/service page, or as agreed |
| Application validity | Confirmation occurs when payment is received. Applications without payment by the due date are deemed cancelled. |
| Returns / cancellation | See "Cancellation Policy" below. Due to the nature of the service, no cooling-off period under Japanese consumer law applies. |
| System requirements | An internet connection is required to use the application form. |
Privacy Policy
Last updated: 16 March 2026
LUMA (the "Operator") considers the appropriate handling of personal information a key responsibility for delivering S.League and other services, and adopts the following policy.
1. Personal information collected
The Operator may collect the following information:
- Name (nickname accepted)
- Email address
- Phone number
- Mahjong experience and other tournament-relevant information
- Payment information (managed by Square; the Operator does not retain card numbers)
2. Purpose of use
Collected information is used solely for the following purposes:
- Receiving, confirming, and communicating S.League applications
- Billing and payment management for entry fees
- Day-of operations and reception
- Future event announcements (newsletters, opt-out available at any time)
- As required by law
3. Disclosure to third parties
The Operator does not provide personal information to third parties except in the following cases:
- With your consent
- As required by law (e.g. requests from police or courts)
- To service providers necessary for delivering the service (see below)
4. External services and data handling
This service operates with the following third-party tools. Please also review their respective privacy policies.
| Google Forms / Sheets | Application data collection. Google Privacy Policy |
|---|---|
| Square | Card payment and invoicing. Square Privacy Policy |
| Google Analytics 4 | Anonymous usage analytics. Google Privacy Policy |
| Formspree | Contact form delivery. Formspree Privacy Policy |
5. Photos and video
S.League events may be photographed by event staff. These photos and videos may appear on the Operator's website (studio-lumadesign.com) and SNS (Instagram, etc.). If you prefer not to be featured, please note this in the application form's notes field or contact us via the contact form.
6. Data security & retention
Collected information is protected with appropriate security measures against unauthorised access, loss, or leakage. Information no longer required for operations is disposed of appropriately after the relevant event concludes.
7. Disclosure / correction / deletion requests
To request disclosure, correction, or deletion of your personal information, please use the contact form. After identity verification, requests are processed within a reasonable period.
8. Changes to this policy
This policy may be revised without prior notice in line with legal updates or business changes. The revised policy takes effect upon publication on this page.
9. Contact
For privacy enquiries, please use the contact form or email studio.luma.jp@gmail.com.
Cancellation Policy
Last updated: 16 March 2026
The following policy applies to cancellations after S.League registration. Please send all cancellations via the contact form or email (studio.luma.jp@gmail.com).
| Cancellation timing | Cancellation fee |
|---|---|
| More than 4 weeks before the event (29+ days) | Free (full refund) |
| 4 to 2 weeks before the event (28–15 days) | 50% of entry fee (e.g. ¥8,300 → ¥4,150 refund) |
| Within 2 weeks of event (14 days–event day) | No refund (100%) |
| No-show on event day | No refund (100%) |
Substitute participant
Even when a cancellation fee would apply, you may waive it by introducing a substitute participant (someone you arrange yourself). Please share the substitute's name and contact details in advance.
Cancellation by the organiser
If the event is cancelled or rescheduled due to natural disaster, infectious disease, venue issues, or other force majeure, full refunds will be issued. If a participant changes the cancellation due to personal circumstances, the policy above applies.
Refund methods
Card payments are refunded to the original card via Square (refunds typically take 3–10 business days). PayPay and bank-transfer payments are refunded by transfer to your specified account. Note: Square's processing fee (3.25%) is non-refundable.
Disclaimer
Last updated: 16 March 2026
1. Health and safety
S.League follows a "health mahjong" policy without alcohol. Please confirm your own health condition before participating. Refunds are not issued for departures during the event due to illness, pre-existing conditions, or injury. The organiser is not liable for medical issues or injuries arising during participation.
2. Disputes between participants
The organiser does not mediate, arbitrate, or accept liability for disputes between participants. By applying, you agree to treat other participants with respect.
3. Belongings and loss
The organiser is not liable for loss, theft, or damage to participant belongings at the venue. Please manage your valuables yourself.
4. Tournament results and records
S.League results are published on the website. Scores are calculated by event staff; we will correct mistakes promptly when discovered. Disputes regarding results should be raised with staff before the closing ceremony on event day.
5. Website information
Information on this website (studio-lumadesign.com) may change or be removed without notice. The Operator does not guarantee accuracy or completeness, and disclaims liability for damages arising from use of this site.
6. External links
This site may contain links to external websites. The Operator is not responsible for the content or operation of linked destinations.
7. Governing law and jurisdiction
This policy is governed by Japanese law. Disputes regarding this policy fall under the exclusive jurisdiction of the Tokyo District Court of first instance.
Image Rights & Photography Policy
Last updated: 16 March 2026
This policy applies to portrait photography services and event photography (S.League and similar) provided by LUMA (the "Operator").
1. Image rights for portrait photography
Before each portrait shoot, the Operator confirms the publication scope with the client.
| Where photos are published | The Operator's website (studio-lumadesign.com) Instagram (@luma_studio_jp / @luma_frame.jp) Other portfolio and promotional materials |
|---|---|
| Purpose | Portfolio, service introduction, and reference work |
| If you don't want to be published | Please notify the Operator before or after the shoot. Non-publication is fully supported, including selectively excluding specific photos. |
| Removal of published photos | If you request removal after publication, please contact us via the contact form. We will respond promptly. |
| Copyright of delivered photos | Copyright in delivered photos belongs to the Operator (Sho Asano). Delivered files may be used freely for personal use and SNS posting; commercial use, resale, and secondary use require prior consultation. |
2. Image rights at S.League and other events
S.League and other events the Operator hosts may include venue photography during the event.
- Photos and videos may appear on the Operator's website and SNS.
- If you prefer not to be featured, please note it in the application form or tell on-site staff.
- To request removal of published photos, please use the contact form.
- If you post photos containing other participants on your own SNS, please obtain consent from those individuals before posting.
3. Photographing minors
For subjects under 18, the Operator confirms guardian consent in writing or verbally before the shoot.
4. Contact
For questions or removal requests regarding image rights, please use the contact form or email studio.luma.jp@gmail.com.