Complete the indicated task to unlock the corresponding costume for purchase at the store.

Costume	How to unlock
Aloha Hula Girl	Complete the game.
Angel's Swimsuit	Complete the game.
Beauty Swimsuit	Complete the game.
Beyond the Stars	Complete the game with Miki, Hibiki, or Takane as leader.
Creamy Raspberry	Complete the game.
Heart's Ease Amethyst	Complete the game.
Lily of Glen	Complete the game.
Palace of Dragon	Have Ristuko perform in a quintet in Story mode.
Pastel Milky Way	Complete the game.
Pure White Nova	Complete the game.
Sky Puzzler	Complete the game.
Training Wear	Complete the game.