OSHI is a Chrome add-on designed for fans who want to discreetly summon their favorite characters or idols during work or study. With a simple keyboard shortcut, users can bring an image of their chosen 'oshi' to the screen’s corner, providing a comforting presence without drawing attention. The tool supports multiple image formats and allows for easy drag-and-drop uploads, making it user-friendly for anyone looking to personalize their browsing experience.

The application offers various customization options, including image size, position on the screen, and automatic fade-out settings. Users can set timers for their 'oshi' to appear at intervals, enhancing motivation during tasks. Additionally, OSHI supports multiple languages and provides theme customization for a personalized touch. Future premium features promise to enhance functionality, such as unlimited image uploads and cloud synchronization.