Explore the cutting-edge capabilities of the Hakoniwa Drone Simulator. This open-source platform allows for safe and customizable simulations in a variety of environments, including realistic 3D city models from Plateau and Esri. Compatible with PX4/QGC, the simulator supports diverse drone and control systems. Whether using Unity, Unreal, or other engines, it offers flexibility in simulation architecture and supports MATLAB/Simulink for plant model creation. Join us in evolving this accessible and innovative simulation tool.