Japanese idol group event Once a each year, there are big idol group event.AKB is the most popular girls group which has some sister groups.And this event is to choose the most popular member from AKB and some sister groups.AKB have three sisiter group in Taiwan, Jakarta, and Shanghai though,this election is only for Japanese domestic group.Off course,foreigner can vote,but candidate are only from the group in Japan.But this event made a cotroversy because voting paper are attached with CD.So fanatic fan bought a large number of CD.Which mean, a lot of CD would come to waste.Anyway this event liven up nationwide.Broadcast always featured about this election from 1week prior to election date.