The NieR Re[in]carnation live broadcast #2 is scheduled for Wednesday, March 17, 2021 at 8:00 PM (JST).
Those scheduled to be in attendance are Hara Yumi (voice of Mama), NieR series producer, Saito Yosuke, and NieR Re[in]carnation director, Matsukawa Daichi (others not announced may also appear).
More information is available on the event page.