Just played through this one, I really liked it though I had some minor issues:
1. As many discussed, the intro/beginning drags on with tons of dialogue that really doesn't matter, visually it's great, and the humor during the MMO scene was good (Crow for instance). But overall it just drags on far too long with overly-complicated discussions on things that really don't matter (at least that I could see).
I see a lot of VN's that do this, the writer/dev is passionate about something in particular and goes overboard in the writing trying to make things "clever" or "show-off" with terminology that serves no purpose other than for show-boating. Luckily, in this VN it's only in the beginning and not throughout the entire game, so again, it's a minor issue.
It's a shame to see how much time and effort was put into the intro only to have it be fluff that's easily discarded when that same effort/time could've been put into the actual story with Prii/Fiona etc.
2. It's an Open world system; frankly I don't like OW systems, they're easily exploitable to just waste time and insert "grind" to pad out the "play-time" without ever progressing the story. In this VN just wastes time/clicks to get to content that's already essentially predetermined. I think this VN/Game would be far better if they just had a quick menu of 2-3 choices on where you want to go to progress whatever storyline you're working on. It really detracts from the (amazing) writing and story that's being presented in this VN.
3. Mini-games; this is personal opinion, but I just hate mini-games in VN's, specially point/click hide-n-seek style stuff, but that's just my own personal tastes. Just more padding on play-time that doesn't do anything for the story.
With all that said, it's a beautiful VN with great writing and Prii is overly-adorable, despite being the "innocent-virgin" trope, she's still a great character. Despite my negative points above, this is still a great story once you get passed the initial intro and into the meat of the story. All the characters are well rounded and written, though, Adorable Prii is a bit cliche in some regards, but I can forgive that as she's so damn cute.
Looking forward for updates on this one.