Haruka Shimazaki was a member of which Japanese idol girl group that is produced by Yasushi Akimoto?
High Tension (song): High Tension (ハイテンション ) is the 46th single by Japanese idol girl group AKB48. High Tension (song):  This is the final single appearance of Haruka Shimazaki, who left the group shortly after the release. AKB48:  AKB48's producer, Yasushi Akimoto, wanted to form a girl group with its own theater (unlike pop groups performing occasional concerts and seen on television) and performing daily so fans could always see them live.
AKB48