Dari K Marunouchi Oazo is a cafe on the first floor of Marunouchi Oazo in front of Tokyo Station, serving drinks, gelato and chocolate made from Indonesian cacao. The signature My Cacao Latte is ordered by choosing bitterness or sweetness, temperature and milk, and cacao sandwich cookies or truffles can be added. Eat-in use is limited to one hour, and outlets and Wi-Fi are available. Seating is only high-table counters, so sitting comfortably for a long time is difficult.