All 3 downloads are same just different hosting sites. If you’re playing for the first time play all, if not you can continue where you left off. It’s like a novel, so you read from start to finish for the story!
Thanks for the explanation, I understand.
I thought its just like the other avn(eternum). Thank you again.
You will need to start a new game, as old saves will no longer work properly. There is a chapter selection menu in case you want to skip
