IDOLiSH7 7th Anniversary Event "Only Once, Only
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".
- Genre: Music
- Director:
- Cast: Toshiki Masuda, Yusuke Shirai, Tsubasa Yonaga, KENN, Atsushi Abe
- Country: Japan