It is very good song.I listen to it all a day.
Cross Over
http://video.online.hk/watch/22367
http://www.youtube.com/watch?v=N2553tW5sLU&feature=related
new song will release on March 9th,2011.
Shining Star
http://www.youtube.com/watch?v=9tzz5YkE3lM
their official site:
http://www.9nine-web.com/
web site of official fanclub:
http://www.9nine-fc.com/?p=diarylist&cat=14329
their TV programs; 番組（ばんぐみbangumi) = TVprograms
http://www.youtube.com/watch?v=GWyCTkOLsX4
Umika Kawashima acted on many dramas and movies:
her blog:
http://yaplog.jp/lp-k-umika/
西脇彩華さんはパヒュームのあーちゃんの実妹です。she is "achan"'s sister."achan" is "Perfume"memmber.
http://yaplog.jp/lp-n-sayaka/