SKE48 Team E's Koishi Kumiko announces graduationFebruary 11, 2016 On February 10, SKE48 Team E member Koishi Kumiko announced her graduation during the group's concert at SKE48 Theater. A message by Koishi has been uploaded onto SKE48's official website explaining, "I decided to graduate as I wanted to study for my dream." On her future activities, she commented, "My last day hasn't been decided yet, but I will work harder than before, so please continue to support me until the end." More details will be revealed once her graduation date has been set. Source: natalie