Sachi's Japanese Antique sells admirable pieces of porcelain, traditional Japanese dresses (mu mu dress and kimono), obi (the bow-like sash of the dress), home decor accessories, upholstery and souvenirs. All the products, with their beautiful patterns and designs, are personally selected by the owner, and there's something to take home or to gift.
Uniqlo is a Japanese brand that designs and sells a clothing line so versatile, they've got everything from comfortable tees, jeans, trousers and jackets and formals, for men, women and kids, and all the designs are trendy and stylish. They also get together with brands to launch something new every once in a while, say with Disney or Moomins. What's more, the shop, at all its locations, is tax-free for tourists! You should totally barge into Uniqlo to find something new and amazing for your wardrobe.