"Water gods of the ancient Azumi tribe, versed in the way of water."
The Azumi are a tribe from Japan who excelled in fishing, it is said they are the descendents of Amaterasu, Tsukuyomi, and Susano-o, the three gods sired by Izanagi after he returned from Yomi, land of the dead. The deity Azumi is said to be a guardian of the people after which it's named, and can control the element of water similarly to its sibling deity, Isora.
"A water deity of the Azumi, a Japanese fishing tribe. It can control water. The three gods born from Izanagi after he returned from Yomi are said to be the Azumi tribe's ancestors."
"A water deity of the Azumi, a Japanese fishing tribe. It can control water. The three gods born from Izanagi after he returned from Yomi are said to be the Azumi tribe's ancestors."
—Shin Megami Tensei: Strange Journey Compendium
Azumi can be found as a common recruitable enemy in Sector Bootes.