Right now the shittiest part about our/WM system is that all girls are very generic and especially at higher levels their traits become less and less relevant. We could have traits (or even locked traits) determining ranges for stats. It's another decent option to consider.
Yup, an interesting idea. Then again, we need to decide how to track them.
I personally like wm ex approach, but it is not as simple and easy as others.
But, as clumsy as it might be from the point of view of tracking, sex traits system will greatly reduce the number of stats, like 1 single stat instead of dozens.
====================================================================
My thoughts about stats.
* We have full set for intelligence ready to go, maybe except the average intelligence level (just like average boobs).
* Charisma is a compelling attractiveness or charm. I'd say it's not the actual beauty (they all are beautiful at pictures), it's the ability to use their beauty correctly. We also have many items increasing it, like makeups.
Here we could use descriptive traits like boobs/legs/arse, maybe your favorite Cute trait, as well as Cool/Pretty/Lovely/Lolita/etc to determine range for charisma stat.
* Refinement is fineness or elegance of feeling, taste, manners, language, etc. Basically, knowledge about society and stuff. Theoretically, it does not have a max level, there is always something new you could learn here. We do have a couple of traits, like elegant or well-mannered, that could affect it, but not many. Not sure what to do with it.
* Character is the inherent complex of attributes that determines a persons moral and ethical actions and reactions, or something like that.
But in the game we use it more like pride or stubbornness, not as a character, so maybe we should rename it, or at least add pride as a substat (like fitness for constitution in SM3).
Once again, some traits like Iron Will or Dependant affect it.
* Constitution is the most clear our stat. Come to thing of it, you cannot be infinitely enduring, so here we could use traits to determine range, we have a lot of them.
Another thing is fitness. Basically, no matter how enduring you are, you cannot always be in top shape without physical activity, that's what it does as a substat in SM3. I always liked the idea.
* Magic defence. I propose to usethe formula mdef=(def+int)/3, or something like that. Right now magic is useless, because it requires mp AND it does about the same damage as attacks.
* Skills should be obtainable. For example, a lvl1 warrior does not have a service skill at all, thus she should have -------- on the skills page instead of service 0/20 for example. And she requires some basic training for a start to obtain it.