Mermaid Melody: Pichi Pichi Pitch

As the mermaid princess of the North Pacific (one of the seven mermaid kingdoms), Lucia entrusts a magical pearl to a boy who falls overboard a ship one night. Lucia must travel to the human world to reclaim her pearl and protect the mermaid kingdoms. Using the power of music Lucia is able to protect herself and the mermaid kingdoms from a growing evil force.

Mewkledreamy

The story begins when a middle school girl named Yume sees something fall from the sky, and meets a pale violet-colored kitten named Mew. It turns out that Mew has the power of "Yume Synchro" (Dream Synchro), the power to enter dreams. In the dream world, the girl and Mew collect Dream Stones. (Source: Anime News Network)

PriPara

The anime is set in the PriPara world, filled with girls' dreams and yearnings for fashion, dance, and music. Seemingly every day, there are auditions that send top idols to worldwide fame on television and online. Laala and her friends are all fascinated with this world. However, Laala's school prohibits PuriPara for elementary school children. An unexpected chance leads Laala to make her first entrance into the world of PriPara, where she just might make her debut. (Source: Anime News Network)

Sailor Moon

Usagi Tsukino is an average student and crybaby klutz who constantly scores low on her tests. Unexpectedly, her humdrum life is turned upside down when she saves a cat with a crescent moon on its head from danger. The cat, named Luna, later reveals that their meeting was not an accident: Usagi is destined to become Sailor Moon, a planetary guardian with the power to protect the Earth. Given a special brooch that allows her to transform, she must use her new powers to save the city from evil energy-stealing monsters sent by the malevolent Queen Beryl of the Dark Kingdom. But getting accustomed to her powers and fighting villains are not the only things she has to worry about. She must find the lost princess of the Moon Kingdom, the other Sailor Guardians, and the Legendary Silver Crystal in order to save the planet from destruction. (Source: MAL Rewrite)

Umi Monogatari

Marin and her sister Urin live in the sea. One day they find a ring fallen into the sea. They get out of the sea and meet a girl Kanon, the owner of the ring. Kanon tells them she doesn't want the ring anymore because it was given by her boyfriend whom she just broke up with, and she throws it into the forest. Marin thinks Kanon is still in love with him and looks for the ring with her sister. But Urin accidentally breaks a seal near a shrine...

K-ON! Season 2

It is the new year, which means that the senior members of the Light Music Club are now third-years, with Azusa Nakano being the only second-year. The seniors soon realize that Azusa will be the only member left once they graduate and decide to recruit new members. Despite trying many methods of attracting underclassmen—handing out fliers, bringing people into the clubroom, and performing at the welcoming ceremony—there are no signs of anyone that plans to join. While heading to the clubroom, Azusa overhears Yui Hirasawa say that the club is fine with only five people and that they can do many fun things together. Changing her mind, she decides that they do not need to recruit any members for the time being. K-On!!</i> revolves around the members of the Light Music Club as they experience their daily high school life. From rehearsing for concerts to just messing around, they are ready to make their last year together an exciting one! (Source: MAL Rewrite)

A Lull in the Sea (Nagi-Asu: Nagi no Asukara)

Since long ago, human civilization had lived on the ocean floor. However, there were many humans who wanted to live above the surface and they moved to land creating a fundamental separation between the two. After their school closes down, four 14-year-old middle school students from the sea village, Shioshishio, have to attend Mihama Middle School on the surface. What follows is their struggles to adjust to a new environment and the relationships between the sea and land people, while dealing with their own newfound feelings that have just started appearing with the end of their childhood. (Source: Wikipedia)

Aikatsu!

Ichigo Hoshimiya is a regular, ordinary middle school girl. But when her best friend, Aoi, invites her to join the idol training academy, Starlight Academy, her whole world is turned upside down. As she encounters all kinds of rivals and learns what it takes to be an idol, she uses her Aikatsu Cards to challenge countless auditions. (Source: Anime News Network)

Jewelpet Sunshine

The Plum Section of the 3rd grade class at the Sunshine Academy in Jewel Land are also known as "the Leftovers." Ruby and her classmates aim to graduate and follow their dreams.

Cardcaptor Sakura

One day, Kinomoto Sakura, a 4th grader stumbles upon the mysterious book of Clow. Upon opening it and reading the name of The Windy aloud, Sakura scatters the cards to the winds. Sakura is elected and appointed by Keroberos, Guardian of the Cards to capture the remaining cards. With her friend Tomoyo and rival Syaoran, Sakura begins an adventure that will forever change her.

Corrector Yui

In the year 2000-something, a massive central network called Comnet links the computers of the world, forming a single global computer system. Comnet, designed to serve the interests of mankind, is managed by the supercomputer, Grosser. But when Grosser decides to take over the world, a savior is needed! A computer-illiterate girl named Yui Kasuga happens upon software program IR, which recruits her as savior of Comnet and pulls her into the virtual world inside. There, Yui is given the power to become Corrector Yui</i> so that she can fight against Grosser and his evil Corruptors. Inside the virtual world for the first time, Yui must face one of Grosser's henchmen. She must also battle another of Grosser's minions, this time one who's infecting the e-mail passed between Yui and her friends. And finally, Yui and IR suspect foul play when Chef Kirch, a family friend who can never get his recipes quite right, has to face customers who've turned into ravenous zombies! (Source: Viz Media)

Bermuda Triangle ~ Colorful Pastorale

The glittering spotlights. The sparkling, fluffy, cute outfits. The charming voices while dancing with bright smiles. Under the dazzling lights on the big city stage, these would be the mermaid idols who swim and dance freely underwater. But far from this big city, the girls once lived in the peaceful village of Parrel. These girls, who would not even imagine such a glittering future for themselves, are instead just raising a fuss over the snack cakes they are eating. This is the story of the cheerful daily life of mermaids who strive their hardest everyday. (Source: Official website)

Jewelpet Happiness

The story will center around Chiari, a third-year middle school girl who lives in a world where Jewelpets and humans live side-by-side. Chiari attends Jewel Academy.

The aquatope on white sand

Kukuru Misakino is a 18-year-old girl who works at an aquarium and she encounters a former idol who lost her place in Tokyo and escaped to Okinawa named Fuuka Miyazawa. Kukuru and Fuuka spend their days at the aquarium, their hearts filled with their own passions. But their precious place is about to be shut down forever. The girls face their dreams and reality, loneliness and friendships, bonds and conflicts... This summer is about to turn a glimmering, new page. (Source: Crunchyroll)

Aikatsu Stars!

Aikatsu Stars! features the protagonist Yume Nijino. Yume aims to become a top idol, and she enrolls in the Yotsuboshi Gakuen. This academy has a special group called the S4, who are the top four active idols in the school. Yume and the other first-year students aim to become a part of the S4.(Source: Anime News Network, edited)

Balala Xiao Moxian: Mofa Hai Ying Bao

In the magical underwater world, there is a mysterious and charming place called Hai Ying Bao, a.k.a. the Ocean Castle. When human girls Ling Haixin and Xia Fan accidentally met the Princess of the Icy Blue City, Na Xiya, they transform from ordinary girls into magic fairies. Together with Xiya, they protect the human world and the sea world, helping her investigate who is polluting the ocean.(Source: Balala the Fairies Wiki, edited)

Princess Tutu

In a fairy tale come to life, the clumsy, sweet, and gentle Ahiru (Japanese for 'duck') seems like an unlikely protagonist. In reality, Ahiru is just as magical as the talking cats and crocodiles that inhabit her town - for Ahiru really is a duck! Transformed by the mysterious Drosselmeyer into a human girl, Ahiru soon learns the reason for her existence. Using her magical egg-shaped pendant, Ahiru can transform into Princess Tutu - a beautiful and talented ballet dancer whose dances relieve people of the turmoil in their hearts. With her newfound ability, Ahiru accepts the challenge of collecting the lost shards of her prince's heart, for long ago he had shattered it in order to seal an evil raven away for all eternity. Princess Tutu is a tale of heroes and their struggle against fate. Their beliefs, their feelings, and ultimately their actions will determine whether this fairy tale can reach its "happily ever after." Princess Tutu aired in two parts. The first part included 13 25-minute-long episodes, while the second part consisted of 24 12-minute-long episodes with a 25-minute-long final episode for a total of 38 episodes.</i>

Yadamon: Magical Dreamer

After causing havoc in the Witch Forest, the queen, Yadamon's mother, banishes her to human world. She does this not only to teach Yadamon a lesson, but also because she has a secret passion for human magazines and books. While at the human world, the queen keeps a close watch at Yadamon which becomes a problem cause she falls asleep almost anywhere. The human world has gone extremely hi-tech. Also, a lot of animals has become extinct. Yadamon finds herself in the island named ''Creature Island'', where genetically re-created species are being made. In the island she meets Jean and his parents Edward and Maria. Yadamon meets many misadventures in the human world due to her curiosity which causes a lot of trouble to the humans and her guardian fairy, Timon, who has the ability to stop time. As Yadamon learns to adapt to human world and use her powers, a new threat is brewing. Kira, the evil witch who was sealed inside a volcano by the queen and the great witch Beril, has escaped. She is out for revenge and has set her eyes to the humans and Yadamon. (Source: Wikipedia)

Love Live! Sunshine!!

Uranohoshi Girls’ High School, a private school in the seaside neighborhood of Uchiura at Numazu city, Shizuoka prefecture. A small high school in a corner of Suruga Bay, it is home to nine teens, led by second-year student Chika Takami, driven by one seriously big dream: To become the next generation of bright, sparkling “school idols”! As long as we don’t give up, any dream can come true... All we have to do now is keep pushing hard for fame and glory! Now their “School Idol Project” begins to make their dreams come true! (Source: Official Website)

YuruYuri

Right after starting middle school, Akari Akaza joins the Amusement Club which is composed solely by her two childhood friends, Kyouko Toshinou and Yui Funami. Chinatsu Yoshikawa, Akaza's classmate, becomes a member after finding out about the dissolution of the Tea Club. The Amusement Club, situated at the tea room facility since the Tea Club disbanded, has no clear purpose, being free for the girls to do whatever they want. (Source: Anime News Network)