Rinse 2 cups of Japanese short-grain rice under cold water until the water runs mostly clear. Drain well, then add it to your rice cooker pot
Add in all liquids - soy sauce, mirin and water. It should fill up to the 2 line mark on the rice cooker for white rice. Ratio of rice to liquids (water and sauces) should be 1:1 ratio
Add in dashi powder, sugar, grated ginger and mix it all into the rice
Then add thinly sliced onions, pork, and sesame oil
Place in rice cooker and cook on regular white rice setting (should be about 30-50min depending on rice cooker).
Once rice is done, top with optional toppings such as green onion and red ginger
Mix rice well and serve in a bowl
Top it with other toppings to your liking such as togarashi, egg, more green onions, etc and enjoy!