I think overall I'm more disposed to giving the game a 3.5/5, but while I do think the content is alittle lack luster in some ways(creator obviously is trying some humor, although I think it falls a bit flat), the creator is very frequent in their updates and their engagements which is more than you can say about alot of other games that are better/more popular.
The Good: Tries to cover almost every single type of love interest/girl, including somewhat (imo) gross ones like loli/handicap/tortured girls. How tortured the girls are really depends on what route you are doing (Light/Neutral/Dark), but depending on the girl type and route there is probably just about something for anyone in this outside of beastiality/guro and other similar fringe tags. I was actually surprised how often some story lines or characters I don't like lead into things I did like (not a fan of loli stuff like nina, but have been into the more recent stuff with her mother regina).
The Okay: Something interesting about some of the stories in this game, is that while it may not be written perfectly, often times it does a good job at capturing the mind set or the desired outcome at a base desire of a fetish. Two particular examples: there is a particular character that through the dark path can be subjected into prostitution, and the story for this while pretty edgy, I think hits at what people want from that particular tag and outcome. The second example is a new private scene created, which encapsulates a very ntr/cuck heavy dialogue, which again isn't written in the best format, but I think hits at the core desire of people with those fetishes in mind. Me personally, Im not a fan of the prostitution or some of the harder dark path scenes, and while I like some ntr, the ntr cuckold scene goes a bit too edgy and too much towards the cuck side of things. Regardless these examples and other parts of the game imo are both a good and bad trait of the series to this point.
The Bad: There have been so many characters introduced, alot of which don't show up in the character diary because alot of them are like subsections of already created characters. For a newer person coming in, it makes it harder to enjoy because maybe a character you were hunting for(I'll use my example of nina into regina), doesn't appear necessarily, and there aren't indications they might become a interest, or after they have become an interest if there is new content for them in a newly posted update. My only other gripe and this is a personal one, I dislike the use of sprites/characters that are based off popular IP's. It feels somewhat cringy/weird, but this is a personal thing for me, and it takes some of the world building and character enjoyment out. Because sure I'd agree a character like Nani is generally hot, but really sticks out and mentally doesn't prime me to think of sexual or necessarily funny things.
Conclusion: Either way this is definitely a good game to try, as it hits so many fetishes and tag types you are likely to find something you like. I will say if you are somewhat sensitive to hard/awkward subjects, to primarily stick to the light only path to not kill your libido. If you can stomach somewhat darker/edgier content then there is a whole opposite side of content for you to enjoy(although it has gotten somewhat meme-ish especially with the story of the evil organization you can join).