In what year was the album “Kiroro no Mori” released by Kiroro?

In what year was the album “Kiroro no Mori” released by Kiroro?: The album “Kiroro no Mori” was released in 1998 by Kiroro, featuring 10 tracks.
What is the most successful song from the album “Kiroro no Mori” by Kiroro?: “Mirai E” is the biggest hit from the album “Kiroro no Mori” by Kiroro.

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