100% Heroes is the name of the Smile/Let's Mirage! crossover featuring Yayoi and Sunny as they team up together.
Kise Yayoi hopes to meet her friend, Myoudouin Sunny, again, and get to experience how they battle as a duo. Yayoi asks Akane if she knows where Sunny lives, but has no clue. When Yayoi bumps into a girl, who, by miracles, ends up being Sunny, the two are ready to defeat a villain in no time!
- Kise Yayoi/Cure Peace
- Myoudouin Sunny/Cure Sunshine Mirage
Smile Pact - Yayoi's transformation item. She transforms by shouting "Pretty Cure! Smile Charge!"
Shining Mirage Module - Sunny's transform item, which is really her mascot Bright that transforms into the item. She transforms by shouting "Pretty Cure! Let's Mirage!"