King Koi Coffee in Ho Chi Minh City is a quirky café where customers can enjoy their drinks while surrounded by colorful koi fish swimming in ponds right next to their tables. The café's manager, Minh, came up with the idea after seeing people feeding fish at a smaller neighborhood café. With a relaxed atmosphere and a unique aquatic twist, King Koi Coffee offers a fun and memorable experience for visitors looking to sip on Vietnamese beverages while interacting with friendly fish.