Absolutely, if you've already watched the first season, you need to watch this one. It was aired in Japan from 5 Jan to 16 Mar 2007 and thanks to the torrent file sharing, I managed to watch all of the episode I've downloaded from others.
I love the insert song Flavor of Life by Utada Hikaru. At first when I listen to the song, I'm thinking of Utada because she's very good with low notes and when I surfed the net, yeah, its hers. The theme song for this drama is Love So Sweet by Arashi. I just found out that Matsumoto Jun was one of the Arashi members. Just like Takuya Kimura with SMAP, both are good actors.
One thing that's kinda weird is that, this drama time setting was from Nov 2006 to early 2007. As if the story uses the same time as we watch them. But I know they will shoot this drama earlier
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Hana Yori Dango 1 Review