Privacy policy

Last updated: June 2, 2026

Senpai’s Secret is operated by Mugensozo LLC (“we,” “us,” or “our”). We operate this store and website, including all related information, content, features, tools, products, and services, in order to provide you with a curated shopping experience (the “Services”). Senpai’s Secret is powered by Shopify, which enables us to provide the Services to you.

This Privacy Policy describes how we collect, use, and disclose your personal information when you visit, use, or make a purchase from us, or otherwise communicate with us. If there is a conflict between our Terms of Service and this Privacy Policy, this Privacy Policy controls with respect to the collection, processing, and disclosure of your personal information.

Please read this Privacy Policy carefully. By using and accessing any of the Services, you acknowledge that you have read this Privacy Policy and understand the collection, use, and disclosure of your information as described herein.

1. Personal Information We Collect

When we use the term “personal information,” we are referring to information that identifies or can reasonably be linked to you. We may collect or process the following categories of personal information:

• Contact details including your name, address, billing address, shipping address, phone number, and email address.

• Financial information including payment card information, transaction details, and payment confirmation.

• Account information including your username, password, security questions, preferences, and settings.

• Transaction information including the items you view, add to your cart, or purchase, return, or cancel.

• Communications with us including the content of messages you send to customer support.

• Device information including your IP address, browser type, and unique identifiers.

• Usage information including how and when you interact with or navigate the Services.

• Marketing preferences including whether you have subscribed to our email or SMS marketing list.

2. Sensitive Personal Information

Under the California Privacy Rights Act (CPRA), purchases from our store may give rise to inferences about your lifestyle or personal preferences, which may qualify as sensitive personal information. We do not use such inferences for any purpose other than fulfilling your orders and providing customer support. We do not sell sensitive personal information.

3. Sources of Personal Information

We may collect personal information from the following sources:

• Directly from you, when you create an account, visit or use the Services, or communicate with us.

• Automatically through the Services, including from your device and through cookies and similar technologies.

• From our service providers, including Shopify, email marketing platforms, and analytics partners.

• From our business and marketing partners or other third parties.

4. How We Use Your Personal Information

We may use your personal information for the following purposes:

• To provide, operate, and improve the Services, process payments, fulfill orders, and manage your account.

• To send marketing and promotional communications by email or SMS, where you have subscribed. You may opt out at any time using the unsubscribe link in any email or by contacting us.

• To detect, investigate, and prevent fraudulent or malicious activity and to protect the security of the Services.

• To communicate with you regarding your orders, account, or customer support inquiries.

• To comply with applicable law and respond to valid legal process.

5. Email and SMS Marketing

If you subscribe to our marketing list, you consent to receiving promotional emails and, where applicable, SMS messages from Senpai’s Secret. We use Shopify Email and third-party email marketing tools to manage our mailing list. You may unsubscribe from marketing communications at any time by clicking “Unsubscribe” in any email or replying STOP to any SMS. Unsubscribing from marketing does not affect transactional communications related to your orders.

6. How We Disclose Personal Information

We may disclose your personal information to third parties in the following circumstances:

• With Shopify and other service providers who perform services on our behalf (e.g., payment processing, cloud storage, shipping, analytics, email marketing).

• With business and marketing partners to provide personalized advertising, where permitted. You may opt out of such uses as described in Section 9 below.

• When you direct or consent to us sharing your information with third parties.

• With our affiliates or within our corporate group.

• In connection with a business transaction such as a merger or sale of assets.

• To comply with legal obligations, respond to subpoenas or government requests, enforce our Terms of Service, or protect the rights of Senpai’s Secret, Shopify, or others.

7. Relationship with Shopify

The Services are hosted by Shopify, which collects and processes personal information about your access to and use of the Services in order to provide and improve the Services for you. Information you submit to the Services will be transmitted to and shared with Shopify as well as third parties that may be located in countries other than where you reside. In these circumstances, Shopify is responsible for the processing of your personal information for its own purposes, including for responding to your requests to exercise your rights. To learn more, visit the

To learn more about how Shopify uses your personal information and to exercise your rights, visit the Shopify Consumer Privacy Policy and the Shopify Privacy Portal.

8. Third-Party Websites and Links

The Services may provide links to websites operated by third parties. We do not guarantee and are not responsible for the privacy or security of such sites. Information you share on third-party platforms may be viewable by other users of those platforms without limitation.

9. Your Rights and Choices

Depending on where you live, you may have some or all of the following rights:

• Right to Access / Know: request access to personal information we hold about you.

• Right to Delete: request deletion of personal information we maintain about you.

• Right to Correct: request correction of inaccurate personal information.

• Right of Portability: receive a copy of your personal information and request transfer to a third party.

• Right to Opt Out of Sale or Sharing: opt out of the “sale” or “sharing” of your personal information for targeted advertising purposes. To exercise this right, click “Do Not Sell or Share My Personal Information” in the footer of our website, or contact us at the email below.

• Global Privacy Control (GPC): if you visit our website with the GPC signal enabled, we will treat this as an opt-out request for the relevant device and browser.

• Managing Marketing Preferences: you may opt out of promotional emails at any time via the unsubscribe link in our emails. We may still send non-promotional transactional emails.

We will not discriminate against you for exercising any of these rights. To submit a request, contact us using the details in Section 13. We may need to verify your identity before processing your request.

10. Children’s Data

The Services are intended for adults 18 years of age or older only. We do not knowingly collect personal information from anyone under 18. If you are the parent or guardian of a child who has provided us with their personal information, please contact us and we will delete it. As of the effective date of this Privacy Policy, we do not knowingly sell or share personal information of individuals under 16 years of age.

11. Security and Retention

We implement commercially reasonable security measures to protect your personal information. However, no security system is perfect, and we cannot guarantee absolute security. Please avoid communicating sensitive information through unsecured channels.

We retain your personal information for as long as necessary to maintain your account, provide the Services, comply with legal obligations, resolve disputes, and enforce our agreements.

12. International Transfers

We may transfer, store, and process your personal information outside the country where you reside. If we transfer your personal information out of the European Economic Area or the United Kingdom, we will rely on recognized transfer mechanisms such as the European Commission’s Standard Contractual Clauses or equivalent instruments issued by the relevant UK authority, unless the transfer is to a country with an adequate level of data protection.

13. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal and regulatory reasons. We will post the revised policy on this website, update the “Last Updated” date, and provide notice as required by applicable law.

14. Complaints

If you have complaints about how we process your personal information, please contact us using the details below. Depending on where you live, you may have the right to lodge a complaint with your local data protection authority.