AKB48 is a combination of Japanese girls and idol groups was established in December 2005. AKB48 total of 48 members was divided into three groups: A, K and Group B (Team A, Team K, TeamB), each group has 16 members. By the well-known producer, but also best-selling author of Akimoto Akashi leader, called the history of the strongest production team, work together to build a new type of the 21 century idol. AKB48 belong to Akihabara, Tokyo, Japan, and theater in the ground (AKB48 Theater) for regular performances. The first week of March 2010 AKB48's new single "Sakura leaves" would seize the first week of the first list of public trust in Japan has about 31 million results, stick with the position of chief girl groups.