According to Fuji Television, in October the start of 'Innocent Love' drama, will have as the soundtrack, a version of Utada Hikaru's song, the new "Eternally-Drama Mix-"

Confirmation From Utada's Official Web site, the contents of Drama in London to remix a song. The emphasis was based on the original drum tracks, vocal arrangements in the heart of beautiful ballads. "2008 has now been transformed into sound," and the first broadcast from the "Song Ringtone," delivered at the start. And the synergistic effect of the drama is expected.

Further info:
"Eternally" was released in 2001, on Utada's 2nd album, and will be
appointed the theme song with a new remix: "Drama Mix".
Still no confirmation about the CD release.
Full Song Ringtone (R), will be delivered in November.

Related Links
Sanspo site
http://www.sanspo.com/geino/news/080929/gnj0809290503007-n1.htm
Utada Hikaru Official Website
http://www.emimusic.jp/hikki/news/news_j.php
Yahoo Japan
http://headlines.yahoo.co.jp/hl?a=20080929-00000000-lisn-musi
Fuji Television
http://www.fujitv.co.jp/innocentlove/index.html