If you're looking for manga similar to Pretty Cure All Stars: Haru no Carnival♪ - Ima Koko kara, you might like these titles.
Akko and her mother have been living together since their father became the captain of a luxurious cruiser. One day, Atsuko accidentally broke her favourite mirror. She made a grave for it. On the same night, the sky brightens and Akko recieves a gift, a compact mirror, from the mirror spirit for her kind-heartedness. Whenever she sings the magic words, the magical compact mirror will alow her to transform into anything she hopes to be.
Meirin, a junior high schooler, is the real identity of the famous "Dr. Rin" who heads a very popular feng sui website. She is in love with her best friend Asuka, a member of the soccer team. "Dr. Rin"'s advice has granted success for many, yet Meirin's own love life doesn't seem to be going too smoothly?
I met a Mahou Shoujo; and so began my story. "Then I will become a Mahou Shoujo!" In order to save Hoshi Karen, the Mahou Shoujo who had protected her even while being pursued by tanks. Kokone, who was entrusted with Karen's Grimoire, decides to become that which is acknowledged as a "Calamity" by the world... a Mahou Shoujo!