Nijisanji’s first-ever girls’ idol festival, “Nijisanji Girls Idol Festival ~Connecting Rainbows, Finding the Future~,” will be held on December 19 and 20, 2026, at Hall 5 of Intex Osaka, featuring 16 streamers over the two days. We’ll cover ticket prices, the postponement of the advance lottery, streaming tickets, the theme song “Superdimensional Encounter,” as well as sponsored events such as card game tutorials and “favorite idol trips.”