Cafe Sum in Ulsan serves kale juice and coffee drinks. Its Americano blends six types of beans with Kenya as the base, and its cafe latte is topped with velvet milk foam. Hand-drip coffee is available with Kenya AA, Guatemala, Colombia, Yegacheffe, Brazil, or Mandheling beans. The cafe offers takeout and wireless internet, has separate men's and women's restrooms, and accepts group bookings and reservations.