Hollys Coffee Sero-sugil is a five-floor cafe near Garosu-gil in Gangnam-gu, Seoul, serving coffee, seasonal drinks, and desserts. During strawberry season it offers strawberry cake, strawberry juice, and americano, and the strawberry juice contains a large amount of strawberry. Each floor has a kiosk, the fourth floor has a sofa room, and booth seating is placed throughout. There is no elevator, so moving to higher floors requires using the stairs.