If you're looking for manga similar to Fushigiboshi no Futagohime Gyu!, you might like these titles.
The girls who had formerly lost their powers and bade farewell to their friends Coco and Nuts from Palmier Kingdom are resurrected as Pretty Cure by the mysterious woman Flora who also wants them to find her in a place called Cure Rosegarden. To go there, they need the magic Rose Pact and the powers of the four kings of countries surrounding Palmier. But a dark organization called Eternal is also striving to get to Cure Rosegarden by stealing the Rose Pact. Luckily, Precure get helped by new allies: the delivery-boy Syrup who can change into a giant bird and fly them anywhere they want and the mysterious and beautiful fighter Milky Rose stand alongside Pretty Cure to protect what is really valuable.
High school freshman, Aoi Rio, has a secret that can't be told to anyone. He actually watches "Magical Girls" anime! On his way back home after secretly buying anime merchandise as usual, he saves a girl named Sumire who fell from the sky. Sumire is disheartened because she believes her powers are not good enough. After Aoi encourages her by explaining the value of Magical Girls, Sumire asks him to become her Magical Girl instructor!
Japan has been invaded by aliens - but this is no ordinary assault. These extraterrestrials are cute and extremely dangerous. Their mind-blowing powers are way too much for the military. Enter Mao-chan, the daughter of a great general, and her charming best friends - Japan's only hope against this massive attack of the adorables!
The ruler of the evil Phantom Empire, Queen Mirage, begins her invasion on Earth using an army of Choiarks and powerful monsters called Saiarks. Pretty Cures are dispatched to fight against the Phantom Empire threat. Hime Shirayuki, a princess from the Blue Sky Kingdom who was given the power to become Cure Princess by a being named Blue, flees to Japan when her kingdom is invaded by the Phantom Empire. They defended the Earth against the Phantom Empire.
Momo loves ribbons, the colour pink, and many other things which better suit girls with delicate figures. Yukino, his best friend, was his only support and was also the only person he could enjoy cute things with but even their relationship had broken down... While Momo was in the depths of despair, a voice whispers in his ears... "Shall I grant your wish? If you are willing to fight in this world then I will turn you into a girl."
While cleaning her room, a young girl named Nana finds a mysterious diary. As soon as she opens it, out pops Majoko, a rambunctious wizard girl from the Land of Magic! Together, these two girls explore a fantastic world full of magic spells, wondrous creatures, and endless surprises. Every day is a big adventure when Majoko is around!
Yazaki Yuuri, a transfer student, just wants to avoid trouble in high school. Also, despite how nerdy he knows it is, he's secretly working on writing a light novel. When strange things start happening around campus, an eccentric female student, Sakurabi Yukimi, explains to him that he has the power to unintentionally cause the creatures of his imagination to take physical form! Is it even possible for him to maintain his normal image while he's fighting the imaginary monsters from his formerly secret magic-girl light novel?
Nozomi Yumehara, a regular student, meets Coco and Nuts, two creatures from the Palmier Kingdom. They plead with Nozomi to restore their world, which has been destroyed by an organization called the Nightmares, by completing the magic book Dream Collet and finding the 55 Pinkies to make any wish come true. Meanwhile, the Nightmares are moving into the real world. Once Nozomi agrees to help, Coco and Nuts transform her into the magical girl Cure Dream and turn four fellow students into her Pretty Cure team.