Cafe413 Project Seongsu is a cafe in Seongsu, Seoul, that serves brunch, coffee, and cake. The menu includes desserts such as butter tteok, scones, and strawberry shortcake rolls, along with a brunch plate of omelette and sausage. The large space suits individual work, company groups, and families. Blueberry yogurt smoothies and lychee berry smoothies are also available.