Cut the chicken into bite-sized pieces.
Slice the onion thinly.
Beat the eggs and set aside.
Add oil to a pan and stir-fry the chicken.
When the chicken is cooked, add the onion and stir-fry together.
Once the onion becomes translucent, season with soy sauce, sugar, cooking wine, etc.
Pour the prepared eggs into the pan without stirring and cook.
When the eggs are half-cooked, place everything over rice.