In what year was the album “Secret” released by Ayumi Hamasaki?

In what year was the album “Secret” released by Ayumi Hamasaki?: The album “Secret” was released in 2006 by Ayumi Hamasaki, featuring 12 tracks.
What is the most successful song from the album “Secret” by Ayumi Hamasaki?: “Jewel” is the biggest hit from the album “Secret” by Ayumi Hamasaki.

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