ONLY ONCE, ONLY 7TH. was the sixth live by the IDOLiSH7 franchise, held at the Yoyogi National Gymnasium. It was a celebration of the franchise's seventh anniversary and it marked a special milestone as the number "7" is very a significant number within IDOLiSH7. The theme was "parade".
Toshiki Masuda
Yusuke Shirai
Tsubasa Yonaga
KENN
Atsushi Abe
