This event, to be precise -- scroll down to the gallery, and you can see the seiyuu wearing the same t-shirts as this image. The event took place before Nanjou Yoshino's injury; the reason she wasn't there was because the scheduling conflicted with fripSide's 10th Anniversary concert.
This event, to be precise -- scroll down to the gallery, and you can see the seiyuu wearing the same t-shirts as this image. The event took place before Nanjou Yoshino's injury; the reason she wasn't there was because the scheduling conflicted with fripSide's 10th Anniversary concert.
Quoting from the wikia link: "μ's New Year LoveLive! 2013 is μ's live concert that took place in Tokyo Dome City Hall on January 3, 2013. Ayase Eli's voice actress, Nanjou Yoshino, was unable to attend due to fripSide's 10th Anniversary concert taking place at roughly the same time."