Raison D'etre: Documentary of AKB48

Takahashi Minami led AKB48 as its first general manager and now she graduates from the group. Yokoyama Yui takes the role of general manager and carries out a new system. AKB48's sister groups HKT48 and NMB48 are on the rise. New group NGT48 debuts and AKB48's rival group "Nogizaka46" makes a leap.