In Episode 1, inside the mysterious music box, the Fairy Castle, the Fairy Queen is worrying about deciphering the secret of the Fairy Stone; unexpectedly, the Black Fairy took advantage of everyone's inattention, snatched the Fairy Stone and escaped. Go to the human world. Two sisters, Ling Meixue and Ling Meiqi, often go to a commodity store near the school to view the strange products displayed there. One time, they and their classmate Xiaolong accidentally discovered a very beautiful music box and wanted to buy it but couldn't. Xiaolong plays a prank to scare the proprietress, but unexpectedly breaks the goods in the store. While the store is in chaos, the two sisters accidentally discover the magic of the music box. The landlady thought there was something strange about the music box, so she gave it to the two sisters. The two sisters accidentally discovered that there was a magic fairy hidden inside, and thus learned about the existence of the Magic Fairy Castle. It turns out that the magic fairy is trying to find the lost magic fairy stone. In order to find the whereabouts of the colored stones, the demon fairy Xiaolan decided to stay in the world as the nanny of the Ling family. Episode 2: The Test of Magic: The two sisters of the Ling family wanted to learn magic, but were rejected by the demon fairy Xiaolan. The school held an open day and asked students to design cards of their own. Mei Qi asked Xiao Lan to make a beautiful card for her, but in the end she still couldn't win the teacher's praise. Classmate Jingyi placed it in the school auditorium because of her outstanding design. Unexpectedly, Yan Lili, a classmate, threw away the card out of jealousy. The Ling sisters then used the magic crystal given by Xiaolan to retrieve the card. Just as the two sisters and Xiao Lan were showing off, the Demon Fairy Queen suddenly appeared. Episode 3 The Arrival of the Magic Fairy Queen The Magic Fairy Queen blames Xiao Lan for teaching the two sisters magic. The two sisters were willing to take the responsibility of using magic so that Xiao Lan would not be blamed, which made the Fairy Queen move into seclusion and decided to pass a test to decide whether to give the two the opportunity to learn magic. Two sisters accidentally passed by a house and found that an old woman was worried about the safety of her cat, so she stayed at home every day and could not live with her family. The two sisters then used magic to turn a dog into a cat, which relieved their mother-in-law and finally allowed her to leave and live with her family. The two sisters were also recognized by the Demon Fairy Queen for helping others and became trainee Little Demon Fairies. Episode 4: Campus Destroyer The class is preparing to make a new blackboard newspaper for the new semester. After discussion, the teacher decided that Meiqi will be in charge. The two sisters and their classmates worked hard to prepare and finally completed the blackboard paper as scheduled. Unexpectedly, when they returned to school the next day, they unexpectedly discovered that the blackboard paper had been destroyed. The clever Miyuki thought carefully and cleverly used words to lure out the murderer. It turns out that Yin Yin committed destructive behavior out of anger because of her lack of dexterity and jealousy of Mei Qi's talent. After knowing this, the two sisters used magic to encourage them that as long as they take it seriously, they will definitely make progress. In the end, everyone forgave Yinyin and completed the blackboard newspaper with her. Episode 5 Magic Skates Madoka is training hard to participate in the skating competition next week. The two Ling sisters also came to the skating rink to teach Xiaolan how to skate. Xiao Yuan is very enthusiastic about teaching Xiao Lan how to skate, but unexpectedly, she secretly plots against her classmate Yan Lili, causing her foot to be injured. It turns out that Lily also participated in the competition and wanted to win. The two sisters were deeply disgusted by his behavior, and felt sorry for Madoka's injury. At a critical moment, the two sisters used magic to conjure magic skates, allowing Madoka to perform her level as usual and eventually win the competition. Episode 6 The Dark Fairy Appears. The class went out to sketch, but the two sisters forgot to bring their lunch boxes. Xiaolan then used magic to bring the lunch box to the two of them, but unexpectedly met the Demon Fairy Xiaoyue in an abandoned house who had stolen the Demon Fairy Colored Stone. Xiaolan wants to take back the magic fairy colored stone, and the two start fighting. The students outside completed their homework one after another. Meiqi was praised by the teacher for her outstanding work. Lily felt jealous and walked into the abandoned house in a sulk, but unexpectedly saw the fight between two demon fairies. After Xiaoyue escaped, she learned that someone had discovered her identity, so she roped in Lily and wanted her to become the Little Black Demon Fairy. Xiao Lan went home and talked with the two sisters about what happened today, but the Demon Fairy Queen suddenly appeared. Episode 7 The Battle Begins: The Demon Fairy Queen lets the two sisters know Xiaoyue's past, and the two sisters decide to help Xiao Lan regain the Demon Fairy Colored Stone. In order to help their classmates, the two sisters used the magic of Xiaolan's new church, but they accidentally let Lily see it. That night, Xiaoyue came to find Lily again, and after seeing the power of black magic, she finally agreed to become her subordinate. Lily, who has learned black magic, looks for an opportunity to challenge the two sisters the next day. Xiaolan and Xiaoyue also meet again, and the prelude to a battle finally begins. Episode 8 Xiaolong’s Sports Meeting Xiaolong accidentally injured his hand due to an argument with Li while practicing shot put; the school’s sports meeting happened to be next Friday. Xiaolong was unhappy about this. Qi and Xue decided to use magic to help Xiaolong. Xiaolong happened to be the last player. At the last moment, Xue thought of using magic to make all the shot put used in the game lighter. Unexpectedly, during the game, Lily made Xiaolong's ball very heavy. As a result, Xiaolong couldn't throw the ball, which surprised everyone. The referee came forward to check and found that the other balls were of different weights than the ones used by Xiaolong. The referee discovered that the shot put had been tampered with and announced that the competition would be postponed until next Friday. In the end, Long performed normally due to his hand injury, but due to lack of training, he ended up in fourth place. Episode 9 Hat and Bird The school organized students to go to the mountains to pick up garbage on a voluntary basis. Jingyi's hat was very beautiful and was praised by her classmates; Lily was dissatisfied and used magic to blow her hat down the valley. Miyuki hesitated because of her fear of heights, and finally the two of them used the enlarged kite to fly down to the valley. Meiqi heard a bird chirping, and the two of them heard the sound and checked out curiously. Unexpectedly, they found that the hat was hanging on a branch, just covering an injured baby bird.

The two took the hat and the baby bird home, and were worried about how to return the hat to Jingyi. Unfortunately, their mother heard the bird singing and raided the two sisters' room, so the two sisters had to hide the baby bird. Answering the question at school, Jingyi was still depressed about the loss of her hat. Miyuki thought of a way to return her hat because of Lin Xiaojun's joke. Jingyi came home after school and found a hat covering a birdcage. When she took it off, she found a baby bird in the cage. She was surprised and happy. She suspected that the bird helped her retrieve the hat and adopted the baby bird. Episode 10 The Mystery of Little Tomatoes: A classmate cultivated tomatoes in the school's biological garden. Lily saw that her tomatoes were growing slowly and was afraid of losing to others, so she used black magic to condense other people's plants. Everyone gradually discovered that their tomatoes were growing slowly, except for Lily, who was growing well, which aroused the suspicion of the two sisters of the Ling family. It turns out that Xiaoyue gave Lily a black magic message and asked the book elf Wu Zhizhi to teach Lily more black magic. Lily learned the "condensation magic" that can stop plants from growing. After seeing through Lily's conspiracy, the two sisters wanted to remove the black magic from the plants, but were stopped by Lily. Unexpectedly, a strong wind blew that night, but their plants were safe because of the condensation magic. Only Lily's pot full of tomatoes was blown over and broken by the strong wind.