NHK Hall was the setting for this Cover Fes
Little Glee Monster starts at about 7 minutes into the clip, but the entire show is worth a watch.
LGM performed two more songs later in the show.
Bonus points for Hosts - Lily Franky and Elaiza Ikeda (who even performed a solo)
Serina during the small talk portion after the performance
TheCovers FES181130