oop i did not see this earlier 😶 but yes there is, and therell be an archive until nov 12. its through the ponycanyon zaiko (dot io) website (should be linked at the official revstar twt if ur wary of accidentally clicking the wrong site)
the process is pretty similar to previous e+ streaming but you'll need to create an account (dw its free) before u can buy a ticket that you'll pay with paypal or alipay or credit card, etc etc the usuals. you also need to be signed into that account to use n watch the ticket that u bought. the rest of the stuff you need to take note of for ur stream setup is also at the ticket page (available in english!!) so u can check the other requirements for having a smooth stream. goodluck and have fun!