Flee Frost

Flee Frost is the younger sister of twins Jack and Emma Frost

Early Life
Emma helped Flee make friends with many people. When bullies told Flee's friends not to be friends with Flee, Emma protected both Flee and her friends, saying that she can be friends with whoever she feels like.

One day, Flee and her brother and sister go out to ice skate. However, Jack and Emma save her before both of them fall into the lake. Later they became guardians of childhood and winter spirits

Legacy
Memories of Jack, Emma and Flee appeared to Jack, which helps Jack remember why he became a Guardian.

Jack later shows Emma's teeth container and shows her what really happened, causing Emma to fight for her friends and family.