After the fairies defeated Gunala, the Evil Goddess, another crisis hit the Fairy Castle!! The magical energy of the world has been devoured by the evil wizards. The Rainbow Flower, the source of the magic power, is soon to wither, and this will destroy the world of Fairy Castle. Only finding the legendary Rainbow Heart Stone and letting it recollect all the essential energy can save the world. To solve this biggest crisis in the history of the Fairy Castle, Prince YouLe, Sally, and their new friend XiaoQian, have to go back to the human world and reunite with Maggie and Michelle to fight the evil again. (Source: Mahou Shoujo Wikia, edited)

The juvenile Kan from the earth is summoned to the Kingdom of Toria , where he encounters attack from the giant creature Zinba, and he's rescued by the linker Shibuki and Uranus. Later, he accidentally gets on the linker squad DUX truck to the maze valley, finding in a cave a golden Zinba. (Source: Lookus English YT Channel, edited)

The kingdom of Gemini is attacked by the evil Queen Halle. The twin princesses of the kingdom are missing, so is the important Night Star Box, which has affected planets including Earth. The fairy Queen had sent Prince You Le and Sally to Earth, looking for the Night Star Box with the help of Maggie and Michelle. Then the gang found out one of the girls who takes dance lessons with Maggie and Michelle is one of the missing princesses, Bei Bei! The mission to find the Night Star Box and the the still missing princess, Ya Ya, is now on the shoulder of the fairies. (Source: Mahou Shoujo Wikia, edited)

The Sweetsheart Kingdom is a magical world filled with various sweets and pastries, inhabited by animal people who are good patisseries and cooks experting on each dessert. The kingdom's only Princess, Mousse Bibi is soon going to ascend to the throne as the new Queen, however all she cared on her life is to taste various kinds of cakes and sweets. One day, Lyan, her royal adviser, set up a plan by making her suffer Aguesia. As she is shocked that she can no longer taste anything, he told her that the only way to cure her condition is to search for the legendary magic called Delicious Miracle. She immediately left the castle and venture outside, not knowing to her that Lyne is doing this to eradicate her. Upon her arrival at the town called Cake Village, she first met a denizen of the village named Mocha Dennis, who is very obsessed on his looks. Though the meeting between both him and Benetta is unsettling. She is also unaware that she possesses a hidden potential that would help her search for the legendary magic and be the key on changing the fate of the Sweetsheart Kingdom once and for all! (Source: Wikipedia)