Latest live stream that ended a few hours ago. All in Japanese so you need to know a bit to understand what is going on. However, what's notable is that they perform Aozora Jumping Heart at the start, and the first 3 songs, so it's a mini-live as well. Time stamps below to view the songs.
0:50 - Aozora Jumping Heart
4:45 - Character introductions and calls.
17:03 - Official start to the event.
19:20 - each of the seiyuus list 3 charm points of their character.
40:20 - seeing the seiyuus attend a Hanabi Matsuri in yukatas. SHUKASHUU!!!
52:55 - group photo of the seiyuus
54:20 - they talk about SIF and other things
1:02:11 - game of charades.
1:14:05 - Kimi no Kokoro
1:25:20 - Step Zero to One
1:30:17 - Aqours Heroes
1:38:00 - official details of the 1st live.
1:40:40 - closing words from the seiyuus