Honestly hadn't seen that information before anywhere and makes sense of the weird abrupt endings of this and SD. Enjoyed RC and hope the next longer form project goes well.
It's less about the new content for me, it's more that it's taken years to do this update which on the front end boils down to making the game widescreen and still barely has any of the original content in the new version.
Audio levels vary a lot from system to system. Most games on my machine even larger AAA titles I have to turn down to about 8-12% in order to not deafen me.
So tbh as long as you make sure to bind all sounds to one of the volume sliders (Some VN devs don't) it should be fine as users can adjust...
Great game with a massive amount of content but a game of this size could really use some compression to reduce file size of the game 9gb is a bit much