I'ma be the first one to vote, and there's ALOT of good stuff to tell about this demo so far:
Story: 5/5
You are essentially managing a dorm with (in the demo so far) one female student, with which you (obviously) want to have alot of sex in the future. It starts off by you seeing her fucking her bf on a camera, figuring that she's a horny slut but her bf can't satisfy her, so you go on a mission to essentially try and break them up so you get to have all the fun with her. It's really a unique setting for the story and I can't wait to see what other side stories the side characters will bring, but without spoiling too much this is the introduction. The pacing may seem slow at the start but trust me, the wait is worth it.
Gameplay: 5/5
The gameplay essentially consists of you playing 3 different minigames (which are kinda fun in their own respect) with which you can collect money to buy cameras and get certain sex skills. It can feel a little grindy at the beginning, especially if you don't buy the upgrades for the minigames (which makes them ALOT more simple to play and essentially easier to collect more money), but you can also collect peeping images of the girl to sell them for 200 each, which is a quite nice addition. The main gameplay part also includes searching the web for keywords which you pick up when meeting, talking to or peeping the girl/boyfriend, which progresses the story essentially, and I really like this function since you get to see even social media pages etc. which makes the world a little more lively and dynamic. The girl also has her own schedule which you find out, and overall the gameplay elements are very cleanly executed. My only complaint would be that the minigames can get a bit monotone after a while, so adding a skip function in the future (for example buying it in the club) would be great, but otherwise it's quite manageable.
Sex scenes: 10/5
Seriously, those are ofc the main interest of the game and they for sure don't disappoint. Some interactions and scenes have a very fluid pixel animation, but the main CG is absolutely gorgeous, I can't even begin to explain how good the animation and sex CG's are, they are fantastic (x-ray included), so no complaint here whatsoever. Ofc since it's a demo it only has a few scenes with the girls so far (which are all by their own respect really good) but some funny and sexy scenes are also included (like her being stuck in the washing machine etc.). I can definitely say that this is the main strong point of the game and so far executed to near perfection, only hope for alot more of those in the full release.
Sounds: 5/5
Just overall pretty good sound effects during H-scenes, whether it be moaning or the rest of the sound effects that includes them, pretty solid, nothing groundbreaking but no need for that in my eyes either. The music is also very nice to the ear and doesn't get boring, fits thematically with the rest of the map and is overall well executed (especially in minigames).
Conclusion: A very good demo so far, premise of a netori game which can actually rival NTR legend compared to the other "failed" copies of it. 5/5 from me so far, hope the full release doesn't disappoint.