Japanese casual clothing retailer G.U. Co. will open in September its first store in South Korea, its fourth overseas market, following the success of renowned sister brand Uniqlo with over 180 outlets in the country.G.U., a unit of Japan's leading casual wear chain operator Fast Retailing Co., plans to launch an online app for sale of low-priced brand products on Aug. 1 and an online retail site on Sept. 1, ahead of a brick-and-mortar shop with a floor space of about 1,400 square meters opening in Seoul on Sept. 14, according to the Japanese company.The G.U. brand is known for its big hit …READ FULL ARTICLE