One trait that I never understand, and because of that didn't port it, is Cool Person ("This person is just cool to be with").
I never seen much difference between Cute and Charming ("This girl has a lot of natural appealing wit on her side, in a non-sexual sort of way"), because of that I leave out Charming.
I agree that we don't need them. I would personally just add more character stat points instead.
Another one is Twisted ("Her thought of pleasure is not... ordinary. Customers need to have a rather exotic taste or they won't enjoy what she has in store"), this one theoretically should influence whore job a lot, otherwise it doesn't have any sense.
I don't like this trait's description, but otherwise "Twisted" doesn't sound bad. There are some really crazy girls out there

But I have no idea what it should do.
Malformed, Eye Patch and One Eye I actually never seen in wm except for random girls, but I suppose there are rare unique characters that could use them.
Do you think we need any of them?
I know a few characters with eye patch, but that would make more sense as item, so trait should be probably "one eye", but characters that are like that doesn't seems to be handicapped by it in the slightest, so I say we could leave it too

or just add it as a small quirk trait that doesn't really do anything
There are also Good Kisser and Fake orgasm expert, but they are more like obtainable skills from skill tree than traits to me.
Yup, sounds like that
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May I ask for your option about "optimist" trait? I have a little problems with it being all-inclusive cheerful trait. Not systemwise, but it troubles me when sorting lines for dialogues. Because I can imagine:
girl with a lot of optimism (all will be fine in the end) that is otherwise normal or even silent (more close to heroic type)
cheerful, excitable girl (usually very active), that can find fun in everything (most true to the current trait description)
childish, playful, happy girl (often naive) a personality used for many little sisters and lolis
Currently, my solution is to use excitable girl for it, put childish under optimism+lolita combination and squeeze calm optimism somewhere else, but I'm not totally sure about it.
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And another thing that I'm wondering about: I have some ripped lines that would fit for "big sis" archetype (caring, overly-protective and often giving preachings) that I would like to add, but I'm unable to figure what trait to use, or (and I would prefer that) how to name a new one.