The cave of Shirumichu is though of being the place where gods Shirumichu and Amamichu, the creator gods of Okinawa, gave their first birth. It is now a popular place to pray for pregnancy and safe delivery.
This small piece of land attached to the island of Hamahiga in Okinawa is a sacred site of the Ryukyu religion. It is known as the tomb of Amamichu, the creator god of Okinawa. A small shrine on the island is dedicated to the god.