Sho's AI Factory
Korean Boyfriend Maker iconKorean Boyfriend Maker

Privacy Policy

  • Version 1.1.0
  • Effective 2026-10-25
  • Updated 2026-10-25

Sho Fujimoto (hereinafter referred to as "Developer") establishes this privacy policy (hereinafter referred to as "this Policy") regarding the handling of user information in the mobile application "Korean Boyfriend Maker" (hereinafter referred to as "this Application") provided by the Developer. This Application is provided as an ad-supported service and may offer optional in-app purchases, and is intended for use "AS IS". This Policy aims to comply with the Act on the Protection of Personal Information (hereinafter referred to as the "APPI") and to appropriately protect users' privacy information.

This Privacy Policy applies to the following app:

  • App name on Google Play: Korean Boyfriend Maker (Japanese: 韓国彼氏メーカー)
  • App name on the App Store: Korean Boyfriend Maker (Japanese: 韓国彼氏メーカー)
  • Package name (Android) / Bundle ID (iOS): com.shofj.koreanboyfriendmaker
  • Developer name on Google Play: fjsh
  • Developer (individual): Sho Fujimoto

Article 1 (Definition of Privacy Information)

In this Policy, "Privacy Information" refers to a combination of "Personal Information" and "Usage History and Characteristic Information."

  1. Personal Information: Refers to "personal information" as defined by the APPI. Specifically, it refers to information that can identify a specific individual, such as name, contact information (email address, phone number, etc.), account identifiers, and other descriptions.
  2. Usage History and Characteristic Information: Refers to information other than the "Personal Information" above, which is collected when a user uses this Application. Specifically, this includes functions used, pages of this Application visited, date and time of visits, time spent on those pages, time spent on this Application, input information for the generative AI (including text which will not be stored on the Developer's servers), usage methods, usage environment (OS information of the terminal, device model name, communication status, settings, etc.), IP address, advertising identifiers (e.g., IDFA, AAID), and unique device identifiers.

Article 2 (Method of Collecting Privacy Information)

The Developer may collect users' Privacy Information in the following ways:

  1. Information Provided by the User: When a user contacts the Developer, the user may be asked to provide personal information such as email address and other information. This Application does not have an account registration feature.
  2. Input within this Application: The following information that the user enters or sets in this Application is stored on the user's device:
    • Nickname, gender, the name the boyfriend calls the user, and birthday (month and day)
    • Chat messages, story choices, and short notes about the user extracted from conversations
    • The name, gender, relationship, personality, and photos of characters the user creates
  3. Photos: Photos the user selects from the photo library to create a character are stored only on the device and are not sent to the Developer's servers or to any third party. This Application asks for photo library access only when the user chooses a photo.
  4. Automatic Collection through Application Use: For improving user convenience, service improvement, and displaying appropriate advertisements, Usage History and Characteristic Information related to the use of this Application (access logs, operation history, pages of this Application visited, date and time of visits, time spent on those pages, input information for the generative AI, etc.) and usage environment (terminal information, OS information, IP address, advertising identifiers) may be automatically collected.

Article 3 (Purpose of Use of Privacy Information)

The Developer will use the collected Privacy Information for the following purposes:

  1. To provide, maintain, protect, and improve this Service (including response generation by generative AI and provision of personalized content).
  2. To respond to inquiries from users.
  3. To provide important notices, necessary notifications, and marketing promotions related to this Application.
  4. To respond to acts violating the terms of use and to prevent fraudulent use.
  5. For analysis of the usage status of this Service, creation of statistical data, service improvement, and new service development.
  6. To investigate and fix bugs.
  7. For the delivery of advertisements and measurement of their effectiveness (information collected may be analyzed to select and display advertisements presumed to be of higher interest to the user).
  8. To process, validate, restore where supported, and prevent fraud related to in-app purchases.
  9. To respond to reports of inappropriate AI-generated content.
  10. For purposes incidental to the above purposes of use.

Article 4 (Regarding Use of Generative AI)

To generate stories, chat replies, and messages from the boyfriend, and to create notes about the user from conversations, this Application sends the following information to the Developer's servers (Cloudflare), which then send it to third-party generative AI services (hereinafter referred to as "AI Service Providers"):

  • Messages sent, story choices, and recent conversation history
  • Nickname, gender, and the name the boyfriend calls the user
  • Notes about the user extracted from conversations, story progress, and affection level
  • The name, gender, relationship, and personality of characters the user creates (photos are not sent)
  • The device language, the date and time on the device, and whether today is the user's birthday

The AI Service Providers are:

  • DeepSeek API (Hangzhou DeepSeek Artificial Intelligence Co., Ltd.): creating notes from conversations; generation when the app language is Japanese or Finnish; and generation in other languages when Qwen fails
  • Qwen (Alibaba Cloud Model Studio; Alibaba Cloud): generation of stories, chat replies, and messages from the boyfriend when the app language is neither Japanese nor Finnish
  • OpenAI API (OpenAI, L.L.C.): backup generation when DeepSeek or Qwen cannot generate a response, and a check of whether the input is safe in that case

Regarding how transmitted information is handled by said AI Service Providers, please check their privacy policies listed in Article 5. The Developer does not store users' input information or conversation history on the Developer's servers. However, communication logs and error logs may be recorded temporarily for troubleshooting and security.

If the user reports AI-generated content using the in-app report feature, the reported content, the character name, and the date and time of the report are stored on the Developer's servers (Cloudflare) so that the Developer can review the content and improve this Application.

Do not enter sensitive personal information in the chat, such as your real name, address, phone number, email address, passwords, payment information, or health information.

Article 5 (Use of Third-Party Services and Information Collection Modules)

This Application may use services and information collection modules provided by the following third parties for service provision, usage analysis, advertisement delivery, etc. Regarding the information acquired by these third parties, their purposes of use, privacy policies, opt-out methods, etc., please check the websites of each company.

  1. Google Play Services
  2. AdMob
  3. Expo
  4. RevenueCat
  5. Google Analytics for Firebase
  6. Cloudflare (the Developer's server infrastructure and storage of reports)
  7. DeepSeek API
  8. Qwen (Alibaba Cloud Model Studio)
  9. OpenAI API

This Application uses Google Analytics for Firebase to analyze usage. It sends the screens viewed; feature usage (making story choices and sending messages, the scenario of the selected love interest, paywall views and purchase results, choices made in ad and daily-limit prompts, views of messages and photos from the boyfriend, and responses to the notification prompt); affection level; story progress; whether the user has Premium; the app language; the number of characters owned; the app instance ID; and device and OS information. It does not send text entered by the user, such as message content, nickname, or character names. Subscription status such as start, renewal, and cancellation is also sent from RevenueCat to Google Analytics for Firebase and linked by the app instance ID. To request that analytics be stopped, contact the inquiry desk in Article 16.

Through the use of the third-party services above, information may be sent to the following businesses outside Japan and processed and stored in those countries:

  • United States: Google LLC, Expo, RevenueCat, Inc., Cloudflare, Inc., and OpenAI, L.L.C.
  • People's Republic of China: Hangzhou DeepSeek Artificial Intelligence Co., Ltd.
  • Alibaba Cloud (Qwen; processing takes place in the Tokyo region, Japan)

Information about each country's personal information protection system is available on the website of Japan's Personal Information Protection Commission (https://www.ppc.go.jp/personalinfo/legal/kaiseihogohou/#gaikoku ). The People's Republic of China has a Personal Information Protection Law, but its system differs from Japan's, for example in that government agencies may be legally permitted to access information. Do not enter information that can identify you in the chat.

When users make in-app purchases, purchase-related information such as product identifiers, transaction identifiers, purchase dates, platform account purchase status, and device or app identifiers may be processed by Apple, Google, and RevenueCat for purchase processing, receipt validation, fraud prevention, customer support, and entitlement or credit management. The Developer does not directly collect or store full payment card numbers or other payment credentials.

The Developer may periodically transmit only aggregated and anonymized data, which does not identify individuals, to external services for the purpose of improving this Application and its services.

Advertising Partners and Users in the EEA / UK / Switzerland

This app serves ads via Google AdMob with the "automatically add ad partners" setting enabled. As a result, advertising identifiers, IP address, and device information may be shared with third parties registered in the IAB TCF v2.2 vendor list (approximately 200 ad networks, ad-tech vendors, and data brokers) for ad delivery and measurement. The current list of partners is available inside the consent dialog (Google UMP consent form) shown on first launch, and at:

If you live in the European Economic Area (EEA), the United Kingdom, or Switzerland, the GDPR / UK GDPR grant you the following rights: access, rectification, erasure, restriction of processing, data portability, objection, and withdrawal of consent. To exercise any of these rights, contact us using the inquiry desk at the end of this policy. To withdraw or change your consent, also contact the inquiry desk at the end of this policy.

On iOS, App Tracking Transparency (ATT) requires your permission before this app can use your IDFA to track you across apps and websites. You can use the app without granting permission, though ads may be less relevant.

Article 6 (Provision of Privacy Information to Third Parties)

Except in the cases listed below and as stipulated in Article 4 and Article 5, the Developer will not provide Personal Information to a third party without obtaining the prior consent of the user.

  1. When required by law.
  2. When it is necessary for the protection of a person's life, body, or property, and it is difficult to obtain the consent of the individual.
  3. When it is particularly necessary for improving public health or promoting the sound upbringing of children, and it is difficult to obtain the consent of the individual.
  4. When it is necessary to cooperate with a state organ, a local government, or an individual entrusted by either of the foregoing in executing affairs prescribed by laws and regulations, and obtaining the consent of the individual is likely to impede the execution of the affairs concerned (including responding to fraud investigations and government requests).
  5. When entrusting the handling of Personal Information in whole or in part within the scope necessary for the achievement of the purpose of use (outsourced parties are limited to trusted service providers who perform work on behalf of the Developer, do not independently use the disclosed information, and have agreed to adhere to the rules set forth in this privacy statement. Appropriate supervision will be exercised over outsourced parties).
  6. When Personal Information is provided as a result of the succession of business in a merger or otherwise.
  7. When the Developer, in good faith, deems disclosure necessary to protect the Developer's rights, protect the user's safety or the safety of others.

Article 7 (Disclosure, Correction, Suspension of Use, etc., of Personal Information)

  1. When a user requests notification of the purpose of use, disclosure, correction, addition, or deletion of their own Personal Information, or suspension of use or erasure, or suspension of provision to third parties (hereinafter collectively referred to as "Disclosure, etc.") based on the provisions of the APPI, the Developer will respond without delay after confirming the identity of the individual. (If the said Personal Information does not exist, the user will be notified to that effect.) However, this does not apply if the Developer is not obligated to perform Disclosure, etc. under the APPI or other laws and regulations.
  2. A fee of 1,000 yen per request may be charged for notification of the purpose of use and disclosure of Personal Information.
  3. For specific procedures regarding requests for Disclosure, etc., please contact the inquiry desk in Article 16.

Article 8 (Correction and Deletion of Personal Information)

  1. If a user's own Personal Information held by the Developer is incorrect, the user may request the Developer to correct or delete the Personal Information according to the procedures established by the Developer.
  2. If the Developer determines that it is necessary to respond to the request from the user as described in the preceding paragraph, the Developer will correct or delete the said Personal Information without delay and notify the user of this.

Article 9 (Opt-Out Rights)

Users can easily stop all collection of user information by this Application by uninstalling it. Please use the standard uninstallation procedures available as part of your mobile device or via the mobile application marketplace (App Store, Google Play Store, etc.). Furthermore, if you do not wish to receive personalized advertisements, you can restrict the use of advertising identifiers by changing your mobile device's OS settings (e.g., "Limit Ad Tracking" for iOS, or "Opt out of Ads Personalization" for Android). However, this will not prevent advertisements from being displayed.

Article 10 (Data Retention Policy)

The Developer will retain collected user information for as long as the user uses this Application and for a reasonable period thereafter necessary for service provision, compliance with legal obligations, dispute resolution, and contract enforcement. If you wish to delete User Provided Data that you have provided via this Application, please contact the inquiry desk in Article 16. We will respond within a reasonable time.

Article 11 (Children's Privacy)

The Developer does not knowingly collect Personal Information from children under the age of 13 or market to children under the age of 13. This Application is not intended for anyone under the age of 13. In the event that the Developer discovers that a child under 13 has provided Personal Information, the Developer will immediately delete this from their servers. If you are a parent or guardian and you are aware that your child has provided us with Personal Information, please contact the inquiry desk in Article 16 so that the necessary actions can be taken.

Article 12 (Security of Privacy Information)

The Developer is concerned about safeguarding the confidentiality of your information and takes necessary and appropriate measures, including physical, electronic, and procedural safeguards, to prevent leakage, loss, or damage of Privacy Information handled and to otherwise securely manage it. The Developer strives to implement technical and physical security measures. Specifically, this includes communication encryption, implementation of access control, and non-storage of conversation data on servers. For specific details of security management measures, please contact the inquiry desk in Article 16.

Article 13 (Changes to Privacy Policy)

  1. The Developer may change the contents of this Policy from time to time as necessary.
  2. The revised Privacy Policy will be announced by updating it within this Application or on this page (the page where the privacy policy is posted). Users are advised to consult this Policy regularly for any changes. If the changes require user consent under applicable laws, the Developer will obtain user consent in a manner prescribed by the Developer. Continued use of this Application after changes (excluding changes requiring consent under applicable laws) will be deemed approval of all changes.

Article 14 (Governing Law)

The interpretation of this Policy shall be governed by the laws of Japan.

Article 15 (Consent)

By using this Application, you are consenting to the processing of your information (collection, use, provision, etc.) as set forth in this Policy, including future revisions.

Article 16 (Contact Us)

For inquiries regarding this Policy, questions about privacy practices, or requests for disclosure, correction, suspension of use, deletion, etc., of Personal Information, please contact the following:

Developer: fjsh (Sho Fujimoto) (Personal Information Handling Manager: Sho Fujimoto) Contact: zero@zerotoone.app

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