ijigen_fes_idolmaster_love_live!_utagassen
A two-day crossover live concert event that took place at Tokyo Dome on December 9 & 10, 2023, featuring Aqours, Nijigasaki High School Idol Club, Liella!, and Hasu no Sora Girls' High School Idol Club, as well as representatives from Idolmaster Cinderella Girls, Idolmaster Million Live!, and Idolmaster Shiny Colors.