Ichika Usami is a second year high school student who loves sweets and wishes to work in a patisserie, but struggles to make anything good. One day, she encounters a fairy named Pekorin, who is able to detect "kirakiraru", an element residing in sweets that represent the feelings put into them. However, evil fairies start to steal the kirakiraru for themselves, leaving the sweets black and lifeless. Determined to protect the sweets, Ichika gains the power of the Legendary Patisserie and transforms into the Pretty Cure, Cure Whip, to protect the kirakiraru. Joined by five other Pretty Cures, Ichika opens up the mobile sweet shop, Kirakira Patisserie, and spends her days making sweets while fighting against those who seek to steal kirakiraru and bring misfortune to the world.