Guarda Streamingcommunity. Ijigen Fes IDOLM@STER★♥Love Live! Uta Gassen (異次元フェスアイドルマスター★♥ラブライブ！歌合戦 Another Dimension Fes IDOLM@STER★♥Love Live! Song Battle) is an upcoming two-day live concert event that will take place at Tokyo Dome in Bunkyo City, Tokyo on December 9th and 10th, 2023.