Disclaimer: I know the dev and recently I even helped her with some basic testing/feedback, so I might be biased (I also enjoyed some of her previous games in the past).
I think the game has potential, although it's still missing polish, and if you aren't into this brand of humour and writing, then it's probably not a good experience (thankfully, you can check the free version for yourself, so there is nothing to lose here but a little of your time). List of pros and cons:
+ The premise is interesting. A parody of the harem genre which turns winning girls over into an actual competition (with the fate of the world hanging in the balance, aliens and more). It's not mean-spirited, so it's not taking the piss, it just pokes fun at the genre every now and then (maybe it should do it more often, actually);
+ There are quite a few characters to choose from (I almost felt like they should be introduced more gradually early on, and given more time each);
+ I think the protagonist's childhood friend is well-written, and the two characters play off each other nicely;
+ I like the humour with Martin (your "alien advisor") in particular (this might be subjective);
+ I like the overall writing style (definitely subjective);
+ So far she seem committed to improving the game. It changed quite a bit from version to version, and old things got re-worked for the best;
+/- The game's basic structure is that of a stat builder/VN mix (so if you don't like one or the other, the game probably has nothing on offer for you). It doesn't amaze but neither is a bad representative of these mechanics;
+/- The protagonist's reactions feel subdued. Maybe that works if you want him to be more of an avatar, but I feel like he should be more shocked and reluctant more often (or maybe even allow players to select his reactions to give him the personality we want);
+/- a single playthrough is fairly short at this point (that's partly expected early on in development);
- Sometimes, the game is abrupt in the way characters shift topics, locations and so on (the author is trying to improve on that, from what I have seen);
- Lore and rules can be a bit confusing at times still. Feels like the aliens cheating should have a good explanation eventually, maybe some rule-lawyer-ing, and the "saber" might feel a mystery item even after using it a few times, to name a couple;
- The game still has some placeholder stuff, and some of the icons/UI/fonts need work or to be swapped out with something more readable/nice looking in the future;
- Some of the choices almost feel like noob traps (as in, you miss on something if you pick the other option, so there is no reason not to go with the first choice).
I enjoyed my time with it overall, but the game still has some obvious flaws. Thankfully, they seem easy to remedy, and I like the overall experience, so I decided to not deduct too many "points" from the final score for them.