Rinse the rice in water and boil according to the instructions on the package.
Cut the chicken and onion in thin slices.
Mix the dashi stock with the soy sauce and mirin, add it all in a frying pan. Heat up the frying pan, add the chicken and onion. Continue cooking until the liquid is gone.
Cut the parsley in small pieces.
Whisk the eggs in bowls one by one.
In a serving bowl add rice for one person.
In a small frying pan pour on egg add the chicken mixture and some of the parsley. When the egg is ready slide gently the mixture on top of the rice. Continue like this with all the eggs and chicken.
Sprinkle bean sprouts on top.
Serve together with soy sauce on the side.