The coming-of-age journey of five fairies attending Alfea, a magical boarding school in the Otherworld where they must learn to master their powers while navigating love, rivalries, and the monsters that threaten their very existence.

In the year 2029, chemical elements such as oxygen, carbon, gold, molybdenum, and cobalt were continually disappearing from Earth. These disappearing elements ultimately disrupted the environment and led to the destruction of various homes, cities, and even entire countries. Researchers discovered that the vanishing elements drained into a planet called Nega Earth, located in another dimension. Element dematerialization was occurring rapidly; thus, to save Earth, three special pre-teens picked by the space colony government formed the Element Hunters. Their job was to transport themselves to Nega-Earth to battle monsters called Q-EXes and retrieve lost elements. However, out of their own concerns, Ren, Chiara, and Homi, three average middle school students from Earth, banded together to also become Element Hunters. With the help of Professor Aimee Carr and Juno, they are able to help save their own planet.

There were 12 statues symbolizing the 12 wisdoms to keep the world in peace. However, the evil ‘Muspell’ corrupts the 12 statues into Takers and colors the world with the power of darkness. Now the only hope for restoring peace is the Mask Masters, those chosen by the Mask to protect heaven's wisdom!

The one who protects the world by becoming one with the spirits, 'Mask Masters' exists. world. Against the forces of darkness, the new power of the Mask Masters, 'Synostone' together. Unimaginable transformation robot.

The Elemental beings known as The Hohki Dawners must team up and find the Elemental cubes in the regions of Xolvadus to reawaken the Goddess of the Ether, Xiarare and defeat Xumis, the Goddess of the Void