CU Seongsu Dessert Park is a dessert-focused convenience store in Seongsu. It sells snacks such as chips and bread alongside standard CU products, with regular items and new desserts displayed together. Desserts bought at the store can be eaten on site and decorated using an air fryer, a whipped cream machine, chocolate sauce, and condensed milk. The store carries many kinds of desserts, but it is not as specialized as its name suggests.