■ Neptune's "Citrus Frill" costume: $2.99
■ Noire's "Strawberry Polka Dots" costume: $2.99

*You can only purchase these after purchasing the full version of the app.
*Once purchased, you can change costumes via the "Character" button.
*There are also special voices that come with the "Citrus Frill" and
  "Strawberry Polka Dots" sets.

■ Neptune's "Parka Dress" costume: $2.99
■ Noire's "Clear Dress" costume: $2.99

*You can only purchase these after purchasing the full version of the app.

*Once purchased, you can change costumes via the "Character" button.

*There are also special voices that come with the "Parka Dress" and
  "Clear Dress" sets.

■ Neptune's "Nepsanta" costume: $2.99
■ Noire's "Noirsanta" costume: $2.99

*You can only purchase these after purchasing the full version of the app.

*Once purchased, you can change costumes via the "Character" button.

*There are also special voices that come with the "Nepsanta" and
  "Noirsanta" sets.

■ Neptune Spring Voice Set: $1.99
■ Noire Spring Voice Set: $1.99

*You can only purchase these after purchasing the full version of the app.
*Once purchased, spring-specific voices will become available.
*Spring voices are from: 3/1-3/31, 3/14, 4/1, 4/1-4/30, four in total.

■ Neptune Summer Voice Set: $1.99
■ Noire Summer Voice Set: $1.99

*You can only purchase these after purchasing the full version of the app.
*Once purchased, summer-specific voices will become available.
*Summer voices are from: 6/1-6/30, 7/1-7/31, 7/7, 8/1-8/31, four in total.

■ Neptune Fall Voice Set: $1.99
■ Noire Fall Voice Set: $1.99

*You can only purchase these after purchasing the full version of the app.

*Once purchased, fall-specific voices will become available.

*Fall voices are from: 9/1-9/30, 10/1-10/31, 10/31, 11/1-11/31, four in total.

■ Neptune Winter Voice Set: $1.99
■ Noire Winter Voice Set: $1.99

*You can only purchase these after purchasing the full version of the app.

*Once purchased, winter-specific voices will become available.

*Winter voices are from: 12/1-1/31, 12/25, 1/1, 2/14, four in total.