Yooo, I'm in the credits! Feels a bit surreal, lol. I like what I'm seeing of it so far. The doll rotation system is a little bit unintuitive, but it's not something you really need to use or worry about (from what I've seen so far, of course), so it's not a big deal. And the physics on the dolls are fun, if not actually realistic.
In other notes, the title of the page is misspelled. And the connection item is "flock of hair" instead of "lock of hair" like I assume it's supposed to be? Will give more feedback later once I play some more. Also, you mentioned in the description, but I am getting a consistent bug on the text after a "day" where the (I assume) exclamation point is replaced with some weird, unknown character.
Edit: After having played through all the currently available content, I definitely like what we have so far! I definitely like how that "personal items get more and more intimate" idea that we discussed came out in practice. None of the complaints I can think of are even really complaints, and more just things that I think could be done to make things even better. Obvious things aside, like "more characters" and "more voodoo items", I feel like some sort of visual and particle effect for burning the item in the bowl before each level would be a nice bonus sort of thing.
I also feel like some way to have her wear the clothes again after stripping them would be good. Maybe one of the personal items you get given is "A piece of paper with a phone number on it" and there'd be some sort of phone UI where you could "call" her once you got that and tell her whether you'd prefer her to be naked or clothed. Maybe you could even spend your spare cash on a new skimpy outfit or something like that. It would give you something to spend it on beside just more basic pins, but I get the feeling that that'll be solved with some new pin-type items, new characters, and new dolls to use for said characters. But having more options of what to spend money on is never a bad thing! Only issue is if you think you can do the art for it.
In terms of gameplay progression, this will probably end up getting fixed once multiple customers are added, but I feel like the nudity might come a bit too quick. When multiple characters get added, try to pace things so that the player is incentivized to go back and forth between characters when doing new stuff, rather than "do the giraffe lady until she's done, then move onto the next customer until she's done" and so on. It makes the lewds feel less stale, and the gameplay feel more interesting. You could do this just via the thresholds for "new things" happening between characters being larger (new things being, like, unlocking the next personal item, or getting the girl to strip, or getting her to a unique visual stage of arousal (like the milk-squirting wetness threshold)), or you could do this via some sort of "desensitization" system, with customers becoming less sensitive if you play with them more than 1 or 2 days in a row.
I also noticed as I was playing that the player's touching seemed to be a lot less impactful (relatively speaking) as you got into higher numbers of pins purchased, so something like a "magic glove upgrade" to make your touches more potent would be fun. And another thing to spend your money on!
Another random minor thing I noticed while I was playing: the girl's face is pretty small compared to the rest of her body, and I wouldn't be able to see it if I zoomed into another part of her body. Some sort of persistent zoomed-in mini-camera on the girl's face feels would be a good feature for me specifically, but I'm not sure how it would actually look in practice, or how other people might like it. Just another idea I'm throwing out there.