「うそ～！やよいちゃんが転校！？」 ( Uso~! Yayoi-chan ga Tenkō!? ).
In the Glitter Force adaptation, this is Episode 9: "Lies and Dolls" (or "The Perfect Prank"). Smile Precure! - Episode 9
After the battle, Yayoi finally confesses that the transfer was a lie. While her friends are initially shocked, they forgive her and end the day with a playful prank of their own. Episode Details 「うそ～！やよいちゃんが転校！？」 ( Uso~