Umi Ryuuzaki is the main character of Magic Knight Rayearth. And she is the second member of the group of the Magic Knights, Umi's element represents Water, and the Rune God named Selece (aka Ceres).
- Umi's Theme Color is Blue.
- Umi shared with her similarities to Bubbles that she acts to be sensitive one.
- Her Attacks is Water Dragon, Sapphire Whirlwind and Icicle Blades.