Believe in Each Other! Platinum Heart!.After a short recap of the last episode, Ikuto tries to regain control over his mind. Amu runs toward him, but Ikuto says to stay away. Kazuomi brings out the device that has been controlling Ikuto, a tuning fork. He uses it and Ikuto falls back into the controlled state. Ikuto tries to attack Amu, but Tadase stops him. After a talk about feelings with Kazuomi, Amu and Tadase combine their powers and use Platinum Heart. All of the X Eggs are purified and the Embryo appears. When Amu is about to grab the Embryo, the Humpty Lock reacts to its light, causing Amu's transformation to dissolve. Tadase catches her, but Yoru is distressed as Kazuomi took Ikuto and left. Everyone wakes up and Amu Character Changes with Ran to tell people that it is the park's promotional free ride day. It works, and Amu and Tadase sit on a bench, talking about what has happened over the past few weeks. After she finishes explaining, Amu apologizes. Tadase says that he won't forgive Ikuto, but wants to know the truth and proposes the idea of them working together. They both go to school the next day, walking side by side. Rima, Nagihiko, and Yaya run up to say how worried they were about them. While drinking tea, Tsukasa Amakawa, the First King, says the Humpty Lock and Dumpty Key will soon unite.