Longbeureu 378 is a bakery cafe located directly behind the HYBE headquarters in Yongsan-gu, Seoul. It sells croissants, pastries, and coffee, with items including the signature corn croissant, apple pie, caramel fig scone, and pain aux noix hazelnut. Seating is available on the third floor, and the bakery and drink selection is varied. The corn croissant is filled with cream and is known for not being overly sweet.