It's been revealed that the General Manager of AKB48 will change from Yokoyama Yui (Team A) to Mukaichi Mion (Team A) in April. 

This announcement was made on March 19 during a performance at AKB48 Theater. Yokoyama succeeded Takahashi Minami as the second General Manager in December of 2015. Mukaichi will become the third General Manager of the group starting April 1. 

Source & Image: natalie