Well, while it's generally not necessary to be into a genre to play and like a game that includes it or that is even built about it, having a core genre be a downer for you is indeed easily a killer.I tried, I really did. I wanted to like this but it was just so awful, the grinding, the overnight body-wrecking - turning asses to blubber and tits to balloons - combined with the ridiculous hair color/style changes the girls adopt each time their bodies get more ruined... I quit as soon as the MC decided to get one of his girls tattooed. Tats & earrings in places that ain't ears totally wreck it for me. A chick can have a beautiful face & a great body but as soon as I see that shit it's over - couldn't get it up with a crane.
This was the first "body-morphing" game I've tried. Since you can't advance the game without changing the girls you really have no choice except to do it or not play. Not my cup of tea, 'though I could've put up with it and did, for a while. Once the tat came up there was no longer any possibility I could identify with the MC and, thus, no possibility I could enjoy playing anymore. I'm not saying it's bad, just that it ain't for me.
Of course, your mileage may vary.
We are not catering to everybody, and on your case DD probably won't ever be for you, but I'll still point out few things from your comment.
About the overnight changes. I would too like it to at least give the transformation a decent sense of duration. It was something that was not easily possible to do before I got on the project and set up the systems we are currently using on a regular basis.
Now that we could change that its just not a priority, it's definitely something that I would like to be better on the final release but there is currently more incentive to add new content rather than streamline points that are in a "okay" state.
About the tattoo, yeah, there I don't see how it not be a downer for you. The MC only get Yuki tattooed and as far as tattoo goes I think even you would agree it is pretty mild.
I find it funny how you react about the hair style changes. Don't get me wrong, I'm not making fun of you but, the hair changes are something that is generally acceptable while probably seen as eccentric, while the girls choices of clothes woulnd't nearly as smoothly.
But I think I get it, hair, tattoo, piecings, are about stating the sovereignty over the body, that why the MC got Yuki a tattoo. Whereas clothes are accessories that can be changed.
So yeah, body morphing will be a genre that I don't see how you could like since it extends that "sovereignty over the body" with fictional means.
We do plan to make at least on some occasion the training of the girls less linear, with more choices in which direction the player want to take them. But body morphing is indeed the core of the game it's unlikely DD will ever be for you.