It sounds like you’re referencing a specific file: — possibly a creative tool, fan project, or visual novel asset related to Hatsune Miku.
Chrome: https://www.google.com/chrome/browser/desktop/index.html
Firefox: https://www.mozilla.org/zh-TW/firefox/new/ File- Hatsune.Miku.Logic.Paint.S.v1.1.8.zip ...