This article provides an overview of Japan's immigration policies and the types of visas available to foreigners looking to stay in Japan for 3 years or more. It also outlines the requirements for obtaining a long-term visa, how to apply for a long-term visa, and tips on how to make the most out of your stay in Japan. Additionally, it discusses the benefits and challenges associated with living in Japan for three years. With proper preparation, research, understanding local customs, familiarizing yourself with language, taking advantage of free attractions/events available around cities/towns etc., you can make your experience an unforgettable one.