Oh my, McDonald’s Japan started a special “preview” campaign of Chicken burgers. It sounds really a special … Special Chicken Burger website http://www.mcdonalds.co.jp/menu/limited/ckn/ The “preview” campaign started on Oct 1, and ends on Oct 7, 2010. And then, you can buy the chicken at the rest of McDonald’s restaurants. The types of burgers include: Cheese…