Magical Girl Lyrical Nanoha

3rd grader Takamachi Nanoha stumbled upon an injured talking ferret after hearing his telepathic cries for help. The ferret turned out to be Yuuno, an archeologist and mage from another world who had accidentally scattered the dangerous Jewel Seeds throughout Earth. Without the strength to collect the Jewel Seeds, Yuuno had resumed a ferret form and needed someone else to take on the task for him. He gave a red jewel to Nanoha explaining to her with this she could transform and use magic to combat the monsters that threatened them due to the Jewel Seeds. But the monsters are the least of their worries, as Yuuno and Nanoha are not the only ones out to collect the Jewel Seeds.

FLIP FLAPPERS

As a middle school student, Cocona has been trying to decide what to do with her life. Magical Girl, however, wasn’t a career path that she’d ever considered. When suddenly a strange girl named Papika thrusts her into a secret organization called Flip Flap, Cocona’s outlook does a radical flip-flop. Her views start to change when she is dragged into an alternate dimension called Pure Illusion where she’s charged with gathering crystal shards and fighting strange creatures. Now, between running missions and facing off against a rival organization, Cocona doesn’t have much time to consider alternate career choices. What are these shards, and why is gathering them so important? There’s a mystery to be solved and multiple worlds to be saved in FLIP FLAPPERS! (Source: Sentai Filmworks)

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)

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.

Tokyo Mew Mew

On her first date with the cutest boy in school, Ichigo is zapped by a mysterious ray that scrambles her DNA with that of the endangered Iriomote wildcat. The next day, Ichigo discovers that she has developed the agility (and occasionally the ears and tail) of a cat, as well as the power to transform into a pink-haired superheroine, Mew Ichigo. She and four other girls, each endowed with the genes of a different "Red Data" animal, have been selected for the top-secret Mew Project, which aims to protect the Earth from an alien menace known as Deep Blue. (Source: Anime News Network)

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.

Hina Logic - from Luck & Logic

On a spring day when the cherry blossoms have started to fall, the naïve princess of a small country, Lion begins her days at a school in Hokkaido. The school houses a special facility run by ALCA that trains Logicalists who protect the peace of the world. Lion has a lot of unique classmates in Class 1-S, including Nina, a Logicalist. This is the story of the energetic and adorable days the Logicalists-in-training spend together. It’s time to Trance!</i> (Source: Crunchyroll)