FCR15 is a part of KSS (Korean Style Shopping) which is a trend of shopping popular in South Korea. It involves the idea of buying in bulk, getting discounts, and sharing products with friends. It involves the customer buying a certain number of items for a predetermined price and then being given extra items for free. This encourages customers to buy more and share the items with their friends and family, resulting in better value for their money. FCR15 is a promotion where buyers can purchase 15 items of different kinds at 50% off the regular price.