You don't need me to tell you how good this game is, you'll see literally hundreds of reviews below this touting everything that's fantastic about it, from the original art assets, to the minigame variety that makes the grind as engaging as the porn, to the catering to dozens of niche fetishes, while also making sure that they're optional for the people who don't want them (I went in for some of the harder stuff, but not others, and having that individual option was great to have).
The people behind this game deserve high praise, and this is one of the games that put me on to the ren'py format in the first place, all the way back in the book 2 era. Been hopping on for most of the updates ever since, and I can't wait to see what else the epilogue has to offer.