Kaiki

, also known as Huai Ji, was a politician and diplomat of the Ryukyu Kingdom.

was a Daoist practitioner of Ming Chinese ancestry. He was appointed by the King Shō Hashi. He played an important role in the unification of Ryukyu.

In 1427, he dug the artificial lake and constructed an artificial hill named next to it. He then brought many flowers from China and planted them on the hill.

In 1451, during Shō Kinpuku's reign, he built a one-kilometer-long dam, which known as , to connect Naha harbor and Tomari harbor.