Tragic. I don't think the song is bad, but it sounds very similar to the Gundam Seed songs she sang 12 years ago.
I was a huge fan of Tamaki Nami from 2002 to 2006 when she released her best music, but I find this sad to see an artist go back to a sound that is over ten years old. It works for rock bands in which all of the members are old enough to be mummies (such as Van Halen's latest album), but for someone in her mid-20s, it seems far too early to be rehashing a former sound. What makes is worse is that she had some great songs produced by Osawa Shinichi, one of my favorite Japanese producers.