Cut the chicken thighs into bite-sized pieces.
Season the chicken thighs with salt and pepper.
Heat oil in a pan and cook the chicken thighs until golden brown on both sides.
Place the cooked chicken thighs on top of the rice.
Mix mayonnaise, soy sauce, and sugar to make the sauce.
Drizzle the sauce over the rice bowl.
Finish by sprinkling chopped green onions, seaweed flakes, and other toppings.