Wash the rice thoroughly and soak it for about 30 minutes.
Cut the eggplant and mushrooms into bite-sized pieces.
Add the soaked rice and water to a pot.
Place the cut eggplant and mushrooms on top of the rice.
Season with soy sauce, sesame oil, and salt.
Cover with a lid and cook the rice over medium-low heat for 15 minutes.
Turn off the heat, let it rest for 10 minutes, mix well, and serve.