Doesn't require VA. You could pull stuff off of the interwebs. Just some squeaks and whimpers and whatnot.
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What I meant was, Voice acting is a project that the Devs. are planning to do in the future. They said that they will mostly focus on the main story and not so much on the side story that doesn't cost any impact to the main storyline. Side story will most likely to be left with no voice acting. These are their words if I'm not wrong.