Terms of Service

Last Updated: 2026-07-17

Article 1 (Overview of the Service)

• This Service is a communication service centered on sending and receiving greeting cards, and also provides features such as chat (one-on-one and group), the Plaza (public posts and comments), and AI illustration generation
• Chat rooms can be created and joined via a link or QR code
• Content posted to the Plaza is visible to other users

Article 2 (Eligibility)

• This Service is intended for users aged 13 and over
• Persons under the age of 13 may not use this Service
• A person under the age of 18 may use this Service only with the consent of a parent or legal guardian

Article 3 (Accounts)

• Creating an account requires authentication via a Google account or Apple account
• Each person is limited to one account
• A nickname must be set. The nickname is visible to chat partners and when sending or receiving cards
• If you use the Plaza, your Plaza display name is visible to other users
• Users are responsible for managing their account information

Article 4 (Prohibited Activities)

Users must not engage in the following activities when using this Service.

4-1. Harassment

• Threats, intimidation, or insults directed at other users
• Discriminatory remarks based on race, ethnicity, gender, sexual orientation, religion, disability, or similar characteristics
• Repeated harassment or stalking behavior
• Sending unwanted sexual messages or images

4-2. Spam

• Use for the purpose of advertising, promotion, or solicitation
• Sending phishing links or malware
• Mass sending of identical or similar content

4-3. Inappropriate Content

• Sexual content such as nudity or pornography
• Violent or graphic content
• Child sexual abuse material — will be reported to law enforcement upon discovery
• Solicitation or trading of illegal drugs

4-4. Impersonation / Fraud

• Falsely assuming the identity of another person
• Impersonating the operations team
• Fraudulent activities

4-5. Misuse of the AI Illustration Generation Feature

• Using the AI illustration generation feature to harm others or to generate inappropriate content
• Infringing the rights of third parties using generated illustrations
• Attempting to bypass filters or restrictions

4-6. Service Abuse / Disruption

• Placing excessive load on the Service by any means
• Use through automated means such as bots, scripts, or crawlers
• Reverse engineering of APIs or systems, or exploitation of vulnerabilities
• Bypassing authentication, or forging or fraudulently obtaining tokens

4-7. Other

• Inappropriate conduct outside the Service toward someone met through this Service
• Any other activities that violate applicable laws

Article 5 (Content Moderation and Reporting)

We maintain a zero tolerance policy toward content and conduct that violate these Terms. Submitted images are analyzed for safety by automated systems. In addition, text sent in the Plaza, in comments, or in chats may be assessed for inappropriate expressions by automated systems. Any reported content (text and images) is reviewed by our team within 24 hours. If reported content is found to violate these Terms, the relevant content will be removed and the measures set forth in Article 6 will be taken.

Article 6 (Enforcement Actions)

If a violation of these Terms is confirmed, we may take one or more of the following actions without prior notice, depending on the severity and frequency of the violation:

• Removal of the violating content
• Warning notification within the app
• Restriction on posting to the Plaza
• Account suspension
• Immediate account suspension or termination for serious violations
• Reporting to law enforcement or other relevant authorities where required or appropriate

Article 7 (Deletion of Content)

• Chat images are automatically deleted up to 30 days after being sent. Deleted data cannot be restored
• Cards expire once they pass the expiration date set for each card
• If all participants leave a room and it becomes empty, the room is deleted
• When a user deletes their account, user data such as authentication information, profile, and custom stamps is deleted within 30 days. However, cards sent to other users, Plaza posts, and generated AI illustrations may be retained even after account deletion (please refer to the Privacy Policy for details)
• Plaza posts and comments can be deleted by the user themselves

Article 8 (Subscriptions and In-App Purchases)

8-1. Premium

• This Service offers a monthly auto-renewing premium subscription
• The premium subscription provides benefits such as a set monthly allowance of AI illustration generations and use of the community illustrations gallery
• Subscriptions are managed through the Apple App Store, Google Play, or credit card
• To cancel, please use the subscription management screen of the platform or payment method through which you purchased the subscription, or any cancellation method made available within the app
• If your account is suspended due to a Terms of Service violation, your subscription will not be automatically canceled. You must cancel the subscription yourself. No refunds will be provided for unused periods resulting from a suspension

8-2. Purchase of Credits

• This Service allows you to purchase credits used for AI illustration generation as consumable in-app purchases
• Purchased credits are consumed in exchange for the provision of the AI illustration generation feature
• Due to the nature of consumable in-app purchases, returns and refunds are not accepted after purchase

8-3. Refunds

• Except as required by applicable law or the policies of the applicable platform or payment provider, no refunds will be provided

Article 9 (Disclaimer)

• To the maximum extent permitted by applicable law, we are not responsible for content submitted by users
• To the maximum extent permitted by applicable law, we are not responsible for any damages arising from the interruption, suspension, termination, or modification of this Service
• We do not guarantee that this Service will be uninterrupted, error-free, secure, or available at all times
• We are not responsible for failures or issues caused by network conditions, device problems, third-party platforms, or third-party authentication or payment services
• We are not responsible for disputes or damages arising between users

Article 10 (Changes to or Termination of the Service)

• We may change the content of this Service without prior notice
• In the event of termination, users will be notified in advance with a reasonable notice period

Article 11 (Changes to These Terms of Service)

• We may change these Terms of Service as necessary
• Updated Terms of Service will be notified within the app
• Continued use of this Service after changes are made constitutes acceptance of the updated Terms of Service

Article 12 (Governing Law and Jurisdiction)

• These Terms of Service are governed by and construed in accordance with the laws of Japan
• Any disputes relating to this Service shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance

Article 13 (Contact Us)

For inquiries regarding these Terms of Service, please contact us at the following email address.

Email: [email protected]