Tenpera Terms of Service

These Terms of Service (hereinafter referred to as "these Terms") set forth the terms and conditions for the use of the "Tenpera" service (hereinafter referred to as "the Service") provided by GalleryG LLC (hereinafter referred to as "the Company"). Customers who use the Service (hereinafter referred to as "Users") are deemed to have agreed to these Terms. Users shall also comply with the terms and conditions set forth by the application distribution platforms (App Store, Google Play, etc.) when using the Service.

Article 1 (Use by Minors)

  1. If a User is a minor, please use the Service with the consent of a guardian.
  2. Guardians shall be responsible for managing the usage of minor Users.
  3. Any and all actions taken by a minor User through the use of the Service shall be deemed to have been taken with the consent of the guardian.

Article 2 (License)

  1. The Company grants Users a non-exclusive, non-transferable, and non-sublicensable right to use the Service solely for personal and non-commercial English learning and entertainment purposes.
  2. The Company may change, suspend, or terminate the contents of the Service at its discretion.
  3. This license is granted on the condition that Users comply with the provisions of these Terms.

Article 3 (Account)

  1. Users are responsible for managing their own account information.
  2. The Company shall not be liable for any damage caused by unauthorized use of an account, unless such damage is caused by the Company's willful misconduct or gross negligence.
  3. If a User discovers that their account has been used without authorization, the User shall immediately notify the Company.
  4. Accounts and all rights associated with them may not be transferred, sold, or lent to a third party.

Article 4 (In-Game Currency)

4.1 WASO (Free Currency)

General

  • WASO is an in-game currency that can be obtained for free and used for some in-game features.
  • WASO is stored locally on the device and may be lost due to device changes, deletion, or failure.
  • WASO has no monetary value and cannot be transferred to other users, exchanged for cash, or exchanged for paid currency.
  • The Company does not guarantee the continued provision or storage of WASO.
  • The Company reserves the right to change the conditions for acquiring WASO, its scope of use, and its holding limits at any time.

4.2 Maseki (Paid Currency)

General

  • Maseki are a virtual currency that can be obtained by purchase, are managed on the server, and are linked to the User's account.
  • Maseki can be used for AI functions and other services designated by the Company.
  • Maseki cannot be transferred, sold, or exchanged for cash to a third party.
  • Whether or not a refund is possible for purchased Maseki will be determined in accordance with laws and regulations or the store's terms and conditions.
  • Maseki have no expiration date. However, the Company may delete accounts that have not been used for more than one year since their last use, or accounts that the Company determines have engaged in fraudulent activities prohibited by the terms of use, without prior notice, in which case any unused Maseki will also become invalid.

Handling at the End of Service If the service is terminated:

  1. We will provide prior notice at least 90 days before the scheduled end date.
  2. We will process refunds for the remaining balance of Maseki that are valid as of the notification date, in accordance with applicable laws and regulations.
  3. We will provide separate information on the refund method and procedures.
  4. The deadline for refund applications will be 30 days from the service end date.

Other

  • The handling of the above may differ depending on the laws and regulations of the country or region.

Article 5 (AI Functions)

5.1 AI Chat

  • Conversations with the AI may only be used for learning and entertainment purposes.
  • It is prohibited to input illegal, harmful, or discriminatory content.
  • The AI's responses are for reference only and do not constitute professional advice.

5.2 AI Card Forging

  • The generation process of this function consumes "Maseki" (Article 4). Regardless of the outcome, refunds will not be made unless otherwise stipulated by law or the app store terms.
  • The Company does not guarantee the accuracy or usefulness of the cards generated by the AI.

5.3 AI-Generated Content

  1. The ownership of rights to content generated by the AI functions of the Service (images, text, cards, etc.; hereinafter "AI-Generated Content") shall be in accordance with applicable laws. The Company does not claim ownership of AI-Generated Content.
  2. Users may use, save, display, and share AI-Generated Content for personal and non-commercial purposes. Commercial use, redistribution, and paid provision on secondary distribution platforms are prohibited without the prior written permission of the Company.
  3. Users represent and warrant that they have the necessary rights to their own input, instructions, materials, etc. (hereinafter "User Input") and that they do not infringe on the intellectual property rights or other rights of third parties.
  4. AI-Generated Content may produce the same or similar results for other users from similar or identical input, and the Company does not guarantee the uniqueness or non-infringement of AI-Generated Content.

5.4 Restrictions on AI Functions

  • The Company reserves the right to add, change, or delete functions to improve the quality of the AI functions.
  • Access to AI functions may be temporarily restricted due to technical limitations.
  • The Company shall not be liable for any damage caused by the use of AI functions, except in cases of willful misconduct or gross negligence on the part of the Company.

Article 6 (Prohibited Matters)

Users shall not engage in the following acts:

  1. Reverse engineering, modification, analysis, decompilation, or disassembly.
  2. Use of unauthorized tools (cheats, bots, automation tools, etc.).
  3. Unauthorized acquisition, duplication, or alteration of data, including Maseki and paid plan benefits.
  4. Selling, transferring, or lending accounts.
  5. Inputting illegal, harmful, or discriminatory expressions into the AI.
  6. Using the Service for commercial purposes (except with the prior written consent of the Company).
  7. Infringing on the rights of others (intellectual property rights, privacy rights, etc.).
  8. Creating multiple accounts by one person.
  9. Obstructing the operation of the Service.
  10. Acts that violate laws, public order, and morals.
  11. Any other acts that the Company deems inappropriate.

Article 7 (Intellectual Property Rights)

  1. All rights related to the content within the Service (characters, images, music, programs, databases, trademarks, logos, etc.) and the software, models, algorithms, etc., that constitute the Service belong to the Company or a legitimate right holder. Users are only granted the right to use the Service in accordance with these Terms.
  2. The rights related to text, images, and other materials uploaded or input by the User to the Service (hereinafter "User Input") are reserved to the User. The User grants the Company a non-exclusive, royalty-free, non-sublicensable, and non-transferable right to use (reproduce, store, display, and analyze) said User Input to the extent necessary for providing and maintaining the Service, preventing fraud, and complying with laws and regulations.
  3. If rights arise under copyright law or other laws and regulations for content generated by the User through the AI function (hereinafter "AI-Generated Content"), those rights shall belong to the User. However, AI-Generated Content may be generated for other users by the same or similar input, and the Company does not guarantee its uniqueness or non-infringement. Users may use AI-Generated Content for personal use, but commercial use or other for-profit use is prohibited without the prior consent of the Company.
  4. Third-party intellectual property used in the Service belongs to said third party, and Users may not use it without the permission of the right holder.
  5. If the Company discovers content suspected of infringing on rights, it may take appropriate measures such as deleting or hiding the content based on a claim from the right holder or in accordance with laws and regulations. For inquiries regarding rights infringement, please contact the point of contact in Article 19.

Article 8 (SNS Sharing)

  1. Users may share their learning progress and ranks on SNS, but they must not include inappropriate content.
  2. When using the sharing function, please also comply with the terms of use of each SNS platform.
  3. The Company shall not be liable for any shared content.

Article 9 (Subscriptions)

  1. The Service provides subscription (recurring payment) plans that enable the use of specific functions for a certain period (hereinafter "Noble Plan"). The content, pricing, payment methods, etc. of the Noble Plan are separately determined by the Company and displayed within the app or on the official website.
  2. Users with an active Noble Plan contract can use normal chat functions and card forging without consuming Maseki. However, the Company may implement rate limiting (usage restrictions per time period) to manage server load and other factors.
  3. To bypass the rate limiting mentioned in the previous paragraph and execute processing immediately, Maseki consumption is required even for users with an active Noble Plan contract.
  4. Subscriptions will automatically renew and continue to be charged unless the User performs cancellation procedures. Please cancel through the App Store or Google Play settings. The Company will not perform cancellation procedures on behalf of users.
  5. We recommend completing cancellation procedures at least 24 hours before the next renewal date. As deadlines may vary by platform, please allow sufficient time for the procedures.
  6. When the Company sets a free trial period, it will automatically transition to a paid plan after the period ends. If you do not wish to be charged, please complete the cancellation procedures at least 24 hours before the end of the free trial period.
  7. When changing subscription fees, the Company will notify users at least 30 days before the scheduled change date. New fees will apply to existing subscriptions from the next renewal.
  8. The Company will make individual determinations regarding responses to situations where significant disruptions occur in service provision.

Article 10 (Personal Information)

  1. The Company will handle Users' personal information appropriately in accordance with the Privacy Policy.
  2. The Company uses the following external services:
    • Google Analytics (for analyzing usage)
    • Firebase (for data storage/synchronization, crash reports)
    • RevenueCat (for billing management)
  3. Data collected through the use of these services will be processed in accordance with the privacy policies of each service.
  4. For details on the handling of personal information, please refer to the separately established Privacy Policy.

Article 11 (Disclaimer)

  1. The Company does not guarantee the accuracy, completeness, or usefulness of the Service.
  2. We do not guarantee learning effects or results.
  3. We are not responsible for any damage caused by communication environment, device malfunction, etc.
  4. We are not responsible for the accuracy or appropriateness of AI-generated content.
  5. The Company shall not be liable for any direct or indirect damage arising from the use of the Service, except in cases of willful misconduct or gross negligence on the part of the Company.
  6. The Company shall not be liable if the provision of the Service becomes difficult due to natural disasters, war, terrorism, epidemics, enactment or revision of laws and regulations, or other force majeure.

Article 12 (Service Change and Termination)

  1. The Company may change or terminate the content of the Service with prior notice.
  2. We will provide 30 days' notice for significant changes or termination. However, this does not apply to minor changes or in cases of urgency.
  3. Information on how data will be handled upon termination of the service will be provided at the time of the termination notice.
  4. The Company shall not be liable for any damage caused by changes or termination of the service.

Article 13 (Damages)

  1. If a User causes damage to the Company due to a violation of the terms, the User shall be liable to compensate for such damage (including reasonable attorneys' fees).
  2. The liability of the Company shall be limited to the usage fees paid by the User in the last month, to the maximum extent permitted by applicable law. However, this does not apply in cases of willful misconduct or gross negligence on the part of the Company.
  3. In no event shall the Company be liable for any indirect, consequential, incidental, special, or punitive damages.

Article 14 (Governing Law and Jurisdiction)

  1. These Terms shall be governed by the laws of Japan. However, if the consumer protection laws of the User's country of residence have mandatory provisions, those provisions shall prevail.
  2. Any dispute shall be subject to the exclusive jurisdiction of the Tokyo District Court in the first instance. However, this does not apply if jurisdiction is restricted by the laws and regulations of the User's country of residence.

Article 15 (Revision of Terms)

  1. The Company may change these Terms, and the changes will take effect from the time they are posted on the app or the official website.
  2. We will provide 30 days' notice for significant changes, especially those that are disadvantageous to the User.
  3. If you continue to use the Service after the revision, you will be deemed to have agreed to the revision.
  4. If you do not agree to the revision, please stop using the Service.

Article 16 (Severability)

Even if any provision of these Terms is held to be invalid or unenforceable, the remaining provisions shall remain in full force and effect.

Article 17 (Entire Agreement)

These Terms constitute the entire agreement between the Company and the User regarding the Service and supersede all prior agreements, understandings, and negotiations regarding the Service.

Article 18 (Prohibition of Assignment)

The User may not assign their status or rights and obligations under these Terms to a third party without the prior written consent of the Company.

Article 19 (Contact Information)

For inquiries regarding the Service, please contact us at: Tenpera Customer Support info@tenpera.com *Please note that it may take several business days to reply to your inquiry.

Date of enactment: September 21, 2025 GalleryG LLC These Terms are written in Japanese, and if there is any discrepancy with other language versions, the Japanese version shall prevail.