Legal notice

1. Publisher

• Company name: The Happiness Institute
• Legal form: SAS (French simplified joint-stock company)
• Share capital: 10 000 €
• Registered office: 50 avenue des Champs-Élysées, 75008 Paris, France
• Registration: Paris Trade and Companies Register (RCS), SIREN 130 879 091
• Email: contact@happiness-institute.com

2. Publication director

Ngoc Anh Soubry, as president of The Happiness Institute. Contact: contact@happiness-institute.com.

3. Hosting

The Kizuna website and the pages of the Kizuna app are hosted by:

• Vercel Inc., 440 N Barranca Avenue #4133, Covina, CA 91723, United States. Contact: privacy@vercel.com, vercel.com.

The app's servers, database and files are hosted in Frankfurt (Germany) by:

• DigitalOcean, LLC, 105 Edgeview Drive, Suite 425, Broomfield, CO 80021, United States. Contact: privacy@digitalocean.com, digitalocean.com.

To provide the service, we also use these technical providers:

• Emma's voice and transcription of interviews: ElevenLabs (United States);
• writing of the story by artificial intelligence: Anthropic or OpenAI (United States), depending on the model used;
• sending emails: Resend (United States);
• online payment: Stripe;
• printing and delivery of books: Lulu.

What each one receives is detailed in the privacy policy.

4. Intellectual property

The Kizuna brand, the registered "The Happiness Institute®" trademark, the logo, visual identity, presentation texts, illustrations, Emma's voice and character, and the software are the property of The Happiness Institute or its partners and are protected by the French Intellectual Property Code. Any full or partial reproduction or representation without prior written permission is prohibited.

The book and content visuals on the website are illustrative depictions of Kizuna creations, provided for guidance only. They are not published works.

The stories, memories and photographs entrusted by users remain their property (see the terms of use).

5. Orders

The free trial and orders take place in the Kizuna app, not on this website. The applicable terms are set out in the terms of use and the terms of sale, which also explain how to use consumer mediation.

6. Contact and reporting

For any question: contact@happiness-institute.com. To report unlawful content, write to the same address following the procedure in section 13 of the terms of use.