Aino Megumi is a happy and excited girl, one day, going back of her way of the supermarket, she meets a girl called Hikawa Iona, which's the Guardian of the Blue Sky Kingdom, the kingdom got attacked, and her friend Hime, got hurt in this battle.. So Megumi helps Iona, by becoming a Precure too! And with her friends, they become the Happiness Charge Precure! 💖💜💛💙