Natsuki Sato, Japanese singer and actress
The Japanese idol girl group AKB48 has many members who have left the group for various reasons such as focusing on solo careers. Some members have left to help launch AKB48's sister groups. The member lineup often changes as when girls get older, they "graduate" from the group, and are replaced by members promoted from the trainees. Others have dropped out of the group without any graduation. Yuki Usami was the first member to graduate from the group on March 31, 2006.Alumnae are presented with the years in which they were on the AKB48 rosters. The list does not include the AKB48 sister group members who were not part of AKB48 proper but might have participated on their singles, events and albums. It also does not include the girls who were exclusively temporary, such as Baito AKB48, unless notable.