Combine soy sauce, mirin, sake, and sugar in a bowl. Whisk until sugar dissolves.
Place Jidori chicken in a bag or dish. Pour marinade, coat well. Refrigerate for 1 hour.
Remove chicken, let it reach room temperature for even cooking.
Preheat the skillet, brush with oil. Pat dry chicken, season with salt, pepper.
Cook each side 4-5 minutes until golden and fully cooked.
Transfer chicken to a plate, let it rest for juicy tenderness.
Sprinkle green onions and sesame seeds for freshness and texture.
Serve with rice, veggies. Relish the flavors of Jidori chicken.