Aden Blanc Bakery Signature Daeyeon Hyeoksin is a large cafe in Busan that serves coffee, bakery items, and sandwiches. The menu includes chicken tortilla and egg mayo sandwiches, and the coffee is on the strong side. It opens at 8 a.m. and has two rooms for groups of about ten people along with a large parking lot. The chairs inside are hard, making them uncomfortable for sitting for long periods.