Yes, it is possible to live in Japan if you speak English, especially if you live in one of the major cities like Tokyo or Osaka. While Japanese is the primary language spoken in Japan, many Japanese people also speak English, especially in cities where there is a lot of international activity.
In addition, there are many resources available for English speakers in Japan, such as English-language newspapers, TV shows, and websites. Many companies in Japan also have English-speaking employees or offer English language support, making it possible to work and live in Japan without being fluent in Japanese.
However, it is important to note that learning Japanese will greatly enhance your ability to live and work in Japan, as it will allow you to fully immerse yourself in the culture and communicate more effectively with Japanese people. Additionally, knowledge of Japanese may be required for certain jobs or in certain situations, such as dealing with government agencies or navigating daily life in more rural areas.