Luo Si Fen is a popular spicy and sour noodle dish from Guangxi, China. A store design drawing for Luo Si Fen would typically include elements such as a modern and inviting storefront, signage with the dish's name and imagery, seating arrangements, and kitchen area layout. This design would aim to create an appealing environment that reflects the vibrant and spicy nature of the dish, while also ensuring practicality and efficiency in food service.