All Nighters

All Nighters is a multi-member Japanese Idol group originating from the TV variety show "All Night Fuji." They were the originators of the large multi-member Idol group format that would later be successfully used for おニャン子クラブ and AKB48. The All Nighters included the following Idol sub groups: Okawari Sisters, Oazuke Sisters, Otetsuki Sisters, Onedari Sisters, Yomawari Sisters and A-cups. Miki Yamazaki was the only member to have solo releases while in the group. Some of the music production staff for All Nighters, such as composer and arranger Jun Sato, later went on to produce Onyanko Club.