A normal looking high school girl on the outside, Kusakabe Maron is actually the reincarnation of Jeanne d' Arc. With the help of the angel, Fin Fish, Maron works as the thief Jeanne at night to seal the demons that reside in pieces of artwork, preying upon the weak hearts of the owners. She is branded as a thief due to the fact that the artworks disappear after she seals the demons. One day, a new neighbor and classmate appears, as well as a rival in her night job, the thief Sinbad. With her own best friend being the detective's daughter, out to capture her and the appearance of her new rival, Maron's work is anything but easy.

Thirteen-year-old Karin Hanazono feels like her life can't get any worse, Her parents died when she was younger, leaving her with an aunt who doesn't hesitate to call her stupid and useless over her poor grades. Her only friend, her cat named Shii-chan, passed away recently, leaving her completely alone. All she has left of her parents is a ring given to her by her mother, which she treasures dearly as the sole thing left of her past. Kamichama Karin begins the moment her life takes a turn for the better, when she is approached by Himeka Kuujou, a cute girl who has also lost her parents, and Kazune Kuujou, her cousin who finds girls to be troublesome, both of whom are searching for a goddess. Her mother's memento ring shines brightly in their presence and fills her with its radiance, making her smarter, faster, and capable of granting wishes. It turns out that her ring allows her to become the very goddess they were looking for, and now that she has awakened that power, others will come after her for it…

Cheerful teenager Ichika Usami has a passion for sweets that is inspired by her mother's baking. In celebration of her mother's return from overseas, she tries her hand at making a cake herself. She is interrupted when a dog-like fairy named Pekorin crashes into her kitchen. With Pekorin's help, Ichika successfully bakes her cake. Only then enters an imp named Gummy who bursts in and attempt to steal the cake's kirakiraru, a magical power that gives sweets the ability to bring happiness. Though Ichika initially offers her cake to Gummy in order to protect Pekorin, the fairy helps her realize how important the treat is and the love it represents. As the kirakiraru within Ichika's cake grows, it changes into a set of trinkets that transforms her into Cure Whip, a hero known as a Pretty Cure. Using her newfound powers, she goes on to battle kirakiraru thieves whenever they appear. Ichika fights to protect Ichigozaka's sweets and finds colorful new allies along the way.

I'm Usami Ichika! Myself and the others all decided to take part in a famous sweets contest that's to be held in France♪ But Ciel doesn't seem like herself...so making sweets and transforming into a Cure don't go so well for her! At the contest venue, we meet a pâtissier called Jean-Pierre. Hang on! This is the same man who taught Ciel how to cook in Paris! Ah! I just had a bright idea☆Ciel should create a memory filled-sweet called Mille-feuille together with Jean for the contest! With that all decided, let's・la・cooking...well, that's what I thought until a mysterious monster attacks the pâtissier! We also find out that Paris is hiding the realest sweet ever!? What is going on~~~!? (Source: Precure Wiki)