Wangga Tanghulu Seoul Cheonhojeom is a dessert shop in Seoul that sells fruit tanghulu made with strawberries, tangerines, and black sapphire grapes. The fruit is sweet and tart, while the sugar coating is crisp but relatively thick. The store is clean, and the coating on the strawberry and black sapphire tanghulu is crisp to bite. Prices are on the higher side.