Copyright & Content Usage Policy

TheJapanese Learning Platform “ベトナム人のための日本語学習プラットフォーム” (hereinafter “the Service”)is operated by MIRROR CUBE INC. (“the Company”),which has been officially entrusted by the original authors to manage and distribute all learning materials included in the Service.All content published on the Service is protected under copyright law and international copyright treaties.

1. Ownership of Copyright

All videos, audio, illustrations, images, animations, scripts, text,
and any other learning materials within the Service are the intellectual property of:Jun Miki, andKensuke Oi
In addition, MIRROR CUBE INC.—formally authorized by the authors—is responsible for:
-Distribution
-Management
-Operation
-Rights protection
-Response to unauthorized use
-License administration
Users are strictly prohibited from using, reproducing, or redistributing any content without prior written permission from the Company.

2. Prohibited Actions

The following actions are strictly prohibited:
① Recording or capturing videos, audio, or images(including screenshots and screen recordings, even for personal use)
② Copying, redistributing, reselling, modifying, or translating any learning materials
③ Uploading any content to SNS or video platforms (YouTube, Facebook, TikTok, etc.) without permission
④ Sharing purchased accounts with others (multi-person usage)
⑤ Extracting data through automated programs or similar tools
⑥ Unauthorized use of learning data or UI elements of the Service
⑦ Any other actions deemed by the Company to constitute copyright infringement

3. Permitted Usage

Content may only be used under the following conditions:
-Viewing by the purchaser for personal learning purposes
-Use within the functions provided by the Service
-Checking learning progress within My Page
※Sharing with third parties or redistribution is not permitted under any circumstances.

4. Actions Taken in Case of Violations

If unauthorized reproduction, recording, redistribution,
or any other infringement is confirmed,the Company may take the following measures:
-Immediate suspension of the user’s account
-Revocation of access to purchased materials (non-refundable)
-Reporting unauthorized activity to Stripe and other payment processors
-Notification to relevant authorities
-Claims for damages
-Legal action based on copyright law (applicable in both Japan and overseas)
-Additional claims for losses resulting from the infringement
※These measures apply to international users as well, including those in Vietnam,in accordance with international copyright treaties.

5. Posting on External Media

The following actions are allowed:
-Posting impressions or reviews of the Service
-Sharing personal learning progress on social media
-Sharing the Service’s top page or course page URLs
※However, sharing the learning materials themselves(videos, images, text, etc.) is strictly prohibited.

6. Rights Protection & Technical Measures

To protect intellectual property, the Company implements the following measures:
-Download prevention settings for videos
-Domain restrictions via Signed URLs
-Monitoring for unauthorized access and multi-device usage
-Detection of account sharing
-IP address monitoring
-Logging of suspicious or unauthorized operations
※Accounts may be temporarily suspended if suspicious activity is detected.

7. Contact Information

For matters related to copyright, licensing,
or reporting unauthorized use,please contact us at:
📩 support@betotame.com