LogFAQs > #961880138

https://mobile.twitter.com/EN_BlueArchive/status/1483725921500680196?cxt=HHwWiMCy8am3oJcpAAAA

https://gamefaqs.gamespot.com/a/user_image/1/4/5/AAZs-EAAC0sx.jpg

Next week's banner is volume 3 pretty much confirmed, Azusa.
Still unknown if it's double banner or single banner, but the three vol3 Banners are:
Azusa (***) + Hanako (**)
Koharu (***)
Hifumi (***)

There's no way Nexon would leave Hifumi alone and both Azusa and Koharu are top-tiers. So my prediction is:
Azusa+Hanako --> Koharu+Hifumi --> Summer event (S.Azusa, SMashiro).

.

Amongst default characters who might appear while I go all-in into Azusa's banner, my hope / priority list:
1. Shun (PvP balance destroyer)
2. Iori (best striker)
3. Hoshino (dps tank for pvp, I want her more than Iori, but I can grind her shards)
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4. Hifumi (a cutie, can taunt cancel)
5. Aru (powerful red dps)