If you're looking for anime similar to QUARTET NIGHT: Force Live, you might like these titles.
ARP: A 4-member dance and vocal group created by the latest AR technology. This popular group got their start with Avex, and are unique for their interactive concerts which combine highly-skilled song and dance routines with a format that changes based on how much the fans are cheering them on.
Readyyy! is Sega's male idol training smartphone game. Within it is a 2-unit group called La-Veritta. This is their official music video for their Beat in Love song.
Readyyy! is Sega's male idol training smartphone game. Within it is a 4-unit group called Just 4U. This is their official music video for their Daitan Futeki ni Koi Shitai song. Just 4U is the second unit that received a short MV but the fourth unit to receive a full MV.
The official music video for Bang!Bang!Bang!, by the fictional band ŹOOĻ from the IDOLiSH7 anime franchise