Mei-ling is a human female in SaGa Frontier.
She meets Riki after he arrives in Scrap, and helps him obtain the rings. After all of the rings are gathered, she and the party go to Margmel. When Margmel's residents disappear from Riki's wish, Mei-ling reveals the true nature of the rings, and that she has the black ring. She transforms into the Master Ring, and is defeated. After her defeat, she returns to normal.