Kasumi Akino

Lord Regent Kasumi Akino of Mistral, otherwise known as Lady Akino, is the current leader of Mistral, and the mother of Ryu and Shiro and ex-wife of their father, Higure.

She made her first appearance in "We're All Mad Here", arriving in Vale with her son to attend the annual World Leader's Summit.

Trivia

 * Kasumi alludes to the Red Queen from Alice's Adventures in Wonderland.
 * Kasumi (霞) means "mist". It can also come from (花, ka) meaning "flower, blossom" combined with (澄, sumi) meaning "clear, pure".
 * Akino is a Japanese surname that can mean "of brightness", "autumn field", and other meanings depending on what kanji is used.