You need a visa for Rwanda if you have a Japanese passport

This visa is for travelers visiting Rwanda, Kenya, and Uganda for tourism during one trip. Travelers can travel freely between these three countries, entering and exiting each country multiple times. Travelers visiting Kenya must also obtain a Kenyan Electronic travel authorization. Travelers must start their trip in Rwanda. The visa becomes invalid if travelers travel outside of these countries. An eVisa is the fastest and easiest way of obtaining a visa for Rwanda because travelers can submit their application and supporting documents online. Once the application is approved, travelers receive their eVisa confirmation electronically. However, travelers can obtain an East African visa on arrival to Rwanda or at the office of a Rwanda diplomatic mission.