Terms and Conditions

These Terms and Conditions ("Terms") govern your use of the smartphone application "PikaPika" (the "App") provided by NPK Studio ("we", "us", or "our"). Please read these Terms carefully before using the App.

These Terms are written in Japanese as the authoritative version. In case of any discrepancy between language versions, the Japanese version shall prevail.

1. Definitions

  1. "Service" refers to all services provided through the App.
  2. "User" refers to any individual who uses the Service.
  3. "Registered User" refers to a User who has registered an account with the App.
  4. "Content" refers to cleaning record information, group information, and other data created or stored by Users through the Service.

2. Agreement to These Terms

  1. By downloading or using the App, you agree to be bound by these Terms.
  2. If you are a minor, please obtain consent from your parent or legal guardian before using the Service.
  3. If a minor uses the Service without the consent of a legal guardian, or falsely claims to be an adult, legal actions related to the Service cannot be rescinded.

3. Account

  1. You may need to register an account to use certain features of the Service. Please provide accurate information when registering.
  2. You are responsible for properly managing your account information (including authentication credentials) and must not allow third parties to use your account or transfer, lend, or sell it.
  3. We are not responsible for any damages arising from inadequate management of account information or use by third parties.

4. Provision of Service

  1. We provide the Service "as is."
  2. We make no warranties, express or implied, regarding the completeness, accuracy, usefulness, or fitness for a particular purpose of the Service.
  3. We may change, add to, or partially discontinue the Service without prior notice.
  4. Some features of the Service (Pro Plan) are paid features. In-app purchase is required to use paid features.

5. Prohibited Activities

Users must not engage in the following activities when using the Service:

  1. Activities that violate laws or public order and morals
  2. Activities that infringe on the intellectual property rights, portrait rights, privacy, honor, or other rights of us or third parties
  3. Activities that cause damage to us or third parties
  4. Activities that interfere with the operation of the Service
  5. Reverse engineering, decompiling, disassembling, or other analysis of the App
  6. Unauthorized access, transmission of viruses, or other attacks on the Service
  7. Acquiring multiple accounts by a single User
  8. Any other activities deemed inappropriate by us

6. Content

  1. Rights to Content created by Users belong to those Users.
  2. Users grant us a non-exclusive license to use Content to the extent necessary for providing, improving, and promoting the Service.
  3. We may disclose User Content only when required by law or when necessary to protect the rights of Users or third parties.

7. Advertising

  1. Advertisements may be displayed in the Service.
  2. Users agree to the display of advertisements in the Service and to our changing the format and content of advertisements at any time.

8. Handling of Personal Information

We handle Users' personal information appropriately in accordance with our Privacy Policy.

9. Disclaimer

  1. We are not responsible for any damages to Users arising from interruption, suspension, termination, unavailability, or changes to the Service; deletion or loss of User Content; account deletion; data loss or equipment failure due to use of the Service; or other matters related to the Service, except in cases of our intentional misconduct or gross negligence.
  2. We do not guarantee that the Service will work on all devices or OS versions. The Service may malfunction due to OS updates or other factors.
  3. We are not responsible for any disputes between Users. Users shall resolve disputes at their own responsibility.
  4. The provisions of this article do not apply to the extent that our liability is not limited by the Consumer Contract Act or other applicable laws. Even in such cases, our liability for damages shall be limited to the amount of fees received from the User in the month when the damage occurred.

10. Termination of Service

  1. We may terminate all or part of the Service at any time at our discretion.
  2. We are not responsible for any Content or features that become unavailable due to termination of the Service.

11. Changes to These Terms

  1. We may change these Terms without prior notice to Users when we deem it necessary.
  2. The amended Terms shall take effect upon posting on the App or our website.
  3. If you use the Service after the Terms have been changed, you are deemed to have agreed to the amended Terms.

12. Assignment of Rights and Obligations

  1. Users may not assign, provide as security, or otherwise dispose of their position under these Terms or their rights and obligations to third parties without our prior written consent.
  2. If we transfer our business related to the Service to a third party, we may transfer our position under these Terms, our rights and obligations, and Users' account information to that third party, and Users agree to this in advance.

13. Severability

If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions of these Terms shall continue to be valid and enforceable.

14. Governing Law and Jurisdiction

  1. These Terms shall be governed by and construed in accordance with the laws of Japan.
  2. The Tokyo District Court shall have exclusive jurisdiction in the first instance for any disputes arising in connection with the Service.

15. Contact Us

If you have any questions about these Terms, please contact us at:

Effective Date: July 6, 2020

Last Updated: February 19, 2026