This is a major focus episode for Yayoi Kise / Cure Peace .
Yayoi Kise (Cure Peace) decides to play an April Fools' joke on her friends by claiming she is transferring to another school. Smile Precure! - Episode 9
During the episode, the villain Aka Oni attacks, turning a farewell card into an Akanbe (monster). Cure Peace eventually uses her powers to defeat the monster while an energetic rock version of the opening theme plays. This is a major focus episode for Yayoi Kise / Cure Peace
「うそ～！やよいちゃんが転校！？」 ( Uso~! Yayoi-chan ga Tenkō!? ). the villain Aka Oni attacks