Thanks to the advice of people in this thread I tried the game. I still didn't finish it but I am incredibly impressed. I mean, there are bugs and more than bugs, the game is not refined in the sense that the characters are not consistent through the questlines. You get a character to evolve, then you get in another quest and you find the character talking in the exact same way she did at the start of the game. And a lot of smaller inconsistencies here and there, directions, places where the characters are or should be get duplicated, etc...
But I understand how incredibly taxing this game is to make. When I was 17 or something like that I made a similar game on rpg maker 2000, during a summer. I used a lot of hard to find sprites from japanese sites for that, and with the help of those I made hundreds others. It was like this game: A sandbox in a town where you could find a lot of small questlines and sexy stuff, dating characters and get to see the evolution of them, with a main quest based on a mystery.
I loved working on it at first but as it grew and grew it became HELL. In these games, as you increase the number of characters, the number of interactions and variables required to keep it coherent increases too, but exponentially. It was ridiculous, keeping the consistency between characters and events as I added events was a nightmare. One new event could force me to remake half the game or more.
At the end I gave up, I was investing too many hours and I was getting nothing out of it. The fun disappeared, it was only a chore.
Back then there was no patreon. There weren't communities like this. I mean, not this big or specialized. The internet was starting. I wonder if I could have gotten to finish it had I some support back then. Who knows.
I really admire people that are able to push forward ambitious projects like this one. Even if they stopped working on this tomorrow, the work that has already been done is impressive.