Animeleague

Due to debut October 6.

The first series was streamed via Funimation in 2020, so maybe Crunchyroll will be taking this on?

Hypnosis Mic rap-themed project features voice actors who rap in the personas of original characters

So it's a sort of cosplay band where the voice actors are singing as the characters they play. Reminds me of Doco, I hear this sort of thing is actually very common.

Crunchyroll have confirmed that they will be streaming the series as it airs.