Privacy Policy
This policy explains how Harunosuke Works ("we") handles information in the app "Ikusei Harunosuke" (the "App") and on this website.
1. Information we collect
- Device information (model, OS version, language settings, etc.)
- The advertising identifier (IDFA), only if you allow tracking in the iOS "Allow Apps to Request to Track" prompt
- Usage data in the App (launches, play time, progress, ad impressions and views, etc.)
- Crash reports when the App encounters a problem
- Your email address and message if you contact us
In-app purchases are processed by Apple. We never receive your credit card or other payment details. The App does not ask for your name, address or phone number.
2. How we use information
- To provide the App, fix bugs and improve its content
- To show ads (including personalized ads if you allow tracking) and measure their effectiveness
- To analyze usage statistically
- To respond to inquiries
3. Third-party services
The App uses the following third-party services for advertising and analytics. Each service handles information under its own privacy policy.
- Advertising: (to be listed once selected)
- Analytics: (to be listed once selected)
Except as required by law, we do not provide your information to any other third party.
3-2. Ads on this website and the browser game
This website and the browser version of Ikusei Harunosuke (harunosukeworks.com/play/) use Google AdSense, a third-party advertising service. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites.
You can opt out of personalized advertising in Google Ads Settings. For how Google uses information, see Google’s Policies.
4. Turning off ad tracking
You can withdraw permission at any time in iPhone Settings → Privacy & Security → Tracking. The App remains fully usable; you will see non-personalized ads.
5. Minors
If you are a minor, please use the App, including in-app purchases, with a parent or guardian's consent.
6. Data management
We manage information appropriately within the purposes above and delete it when no longer needed.
7. Changes
We may update this policy as needed. Changes take effect when posted on this page.
8. Contact
Harunosuke Works (operated by Harunosuke Sakurai)
info@harunosukeworks.com
Effective: October 8, 2026 / Updated: October 9, 2026