As a baby, Runa Rindô was left in front of a school for foster children, wearing a mysterious pendant. Now she’s in fourth grade, and strange things are starting to happen around her—like animals talking and glowing lights appearing. When she discovers her pendant holds magical powers, Runa learns she’s the Legendary Fairy Child, destined to protect the balance between the human and fairy worlds. But with dark forces rising, her journey is just beginning.