Rinse the rice and soak for 30 minutes.
Cut the beef into bite-sized pieces.
Prepare the mushrooms for eating.
Put the soaked rice, beef, and mushrooms into the pot.
Add soy sauce, cooking wine, and sesame oil, then mix.
Pour in 180ml of water.
Close the lid and cook on high heat for 5 minutes, then on low heat for 10 minutes.
Turn off the heat and let it steam for 10 minutes.