https://idolmaster-official.jp/news/01_16356

The starting portions of NEI will be streamed online for free to entice you to buy tickets.

8/2 Day1 17:30 JST
https://youtube.com/live/27_Q_OPz9NE

8/3 Day2 17:30 JST
https://youtube.com/live/7aQLxVRHtk4