Fuchigami Sayaka

is the lead cure of Infinity∞Miracle Pretty Cure. Sayaka is rather mysterious and quiet, leaving her with not many friends and many bullies. The reason Sayaka is quiet is due to the fact that her parents mysteriously disappeared when she was 10, leaving her with nothing. However, her determination to save them after she discovers that they were turned evil transforms her into Cure Aether, the yellow miracle of determination.

Personality
Sayaka is rather mysterious and quiet, leaving her with not many friends and many bullies. The reason Sayaka is quiet is due to the fact that her parents mysteriously disappeared when she was 10, leaving her with nothing.

However, Sayaka is trained in First Aid and knows how to take care of herself even though she receives help from her best friend's family. She is also a bookworm and the library offers her free books whenever she visits.

Cure Aether
is the Pretty Cure alter ego of Sayaka. In this form, she utilizes the power of light and crystals and her theme color is yellow. To transform, Sayaka needs an Infinity Brace and needs to shout Pretty Cure, Infinite Power!. Her main purification attack is Aether Shining.