Played a bit of version 0.7b.
Interface 5/5
I think what's really important to call out is the comments people below me made about the RPGM engine feeling clunky in this game: In terms of adaptation of the way things are done in this engine, I think this is one of the best offerings out there. I didn't personally encounter any loud out of context sounds, and I think even though things are slightly non standard, they're easy enough to understand. I felt 0 problems discovering all the things I wanted to do.
Sexual content 3/5
There could certainly be more of it, Julia is sexy and I'd like to see her in more poses. Normally you pick a pose at the start of a battle, and then it's mostly a few dicks here and there that show you how Julia interacts with her opponents. Some of the interactions have short animations that toggle as a little window, and they're kinda meh, because they look like video rips from a hentai movie. I think that's OK, as long as the dev keeps updating and filling gaps (lol).
Mechanics / Gameplay 4/5
Pretty solid, there's a doc with tips linked on the thread Original Post, and this is actually really useful info. Spoiler: Potions are your bread and butter, get lots of them, then get a lot more. The way the different poses / abilities influence the way battles play out makes it a pretty fun affair all round and I had fun exploring the options to build a slut just the way I like it. It would be good if there were more visuals going along with this, but that's likely a matter of time. Overall the current questline is pretty short, and you could do the whole thing in a few hours. Kind of expected at this stage, so again, depending on future updates. It doesn't bother me too much, because the battles and therefore the "grind" are actually fun here. (Tip: Save a lot, try different builds).
Other reviews 1/5
Most other reviews here seem to be for older versions, or frustrated about the difficulty. Really not a problem in the latest version and after reading the tips document. This is the main reason I'm giving a 5/5 here, to offset some of the low ratings from below. Really undeserved imo.
Overall, I think I'd really like to commend the dev for their first venture, it shows that there's a lot of commitment and desire to build an awesome battlefuck game, along the lines of Karryn's Prison. I think so far nothing in the mechanics really stands out as obviously broken / wrong / counterintuitive, so hat tip for that, because that's likely a fairly complicated mess to keep in their head. I really hope this project continues going, and I hope my positive review helps with the motivation to do that.