Specified Commercial Transactions Act Disclosure
Last updated: March 26, 2026
Business Information
| Business Name | Watanabe Riku |
|---|---|
| Operator | Watanabe Riku |
| Address | As this is an individual business, we will promptly disclose this information upon request. |
| Phone Number | As this is an individual business, we will promptly disclose this information upon request. |
| Email Address | riku.watanabe@no-problem-net.com |
* For inquiries, please contact us at the above email address. We typically respond within 1–3 business days.
Pricing
This site accepts tips (donations/support) via Buy Me a Coffee.
| Tip | From ¥50 (tax included) — any amount (recommended: ¥100) |
|---|
- Payment is processed in Japanese Yen (JPY)
- You can select or enter the amount on the Buy Me a Coffee platform
- No additional costs beyond the listed price
- Prices may change without prior notice
Payment & Transaction Terms
| Price | Amount displayed on the Buy Me a Coffee page (JPY, tax included) |
|---|---|
| Additional Fees | None. No fees beyond the displayed price will be charged. |
| Accepted Payment Methods | VISA Mastercard AMEX JCB PayPay Google Pay Alipay |
| Payment Timing | Charged immediately upon completing the purchase |
| Product Delivery | This service is a tip (donation/support); no goods or services are delivered. |
Payment Security
Payment processing for this service is handled by the Buy Me a Coffee platform and the payment infrastructure provided by Stripe, Inc.
- Stripe holds PCI DSS Level 1 Service Provider certification, ensuring the highest standards of security
- This service does not store or process any credit card information
- All communications are encrypted via HTTPS (TLS)
Refund & Cancellation Policy
Customer-Initiated Cancellations
All content on this site is available for free, so you can fully review it before supporting us. Due to the nature of tips (donations/support), we are unable to offer refunds or cancellations after a tip has been completed at the customer's request.
Defects or Service Issues
If a double charge occurs due to a system error, we will promptly process a refund. Please contact us at riku.watanabe@no-problem-net.com
* Payment processing is handled by the Buy Me a Coffee platform and the payment infrastructure provided by Stripe, Inc. This service does not store or process any credit card information.
Service Overview
Rick-Brick is a personal technical blog focused on AI research papers and news commentary. All content is available to read for free.
Tips via Buy Me a Coffee are entirely optional support to help maintain this site and create content. There are no restrictions on content access regardless of whether a tip is made.
System Requirements
| Supported Browsers | Google Chrome, Safari, Microsoft Edge, Firefox (latest versions) |
|---|---|
| Network | Internet connection required |
| Other | JavaScript must be enabled |
Other
| Special Conditions | None |
|---|---|
| Quantity Limit | None (tips can be made multiple times) |