I think the brown bow should work just fine. Balance out the brown with brown shoes and you already have it in the print. That should be just fine.
I think mint looks adorable with pink and brown but I might see about adding some smaller mint details with it. Since it looks so cute with the colors you’re already working with, mint accessories can work throughout your wardrobe with or without the wig so it may be a good addition.
I think it could work if you balance out the black more. Black shoes would be a good way to do it and then maybe add a little touch of pink with a smaller bow to the black headbow.
Brown is definitely not the way to go seeing as there are no other hints of brown anywhere in the coord (other than on the birds which are more of a yellow/tan than a dark brown). It will just look out of place. I would go with black shoes.
I wasn’t entirely sure either so I looked around a little and I found a comment here that explains it very well:
“Gen is short for Generation/Generate. It’s what 生成 (Seisei) translates into when it’s by it’s self. Not generation like family generations, but like, to generate / to create. When it’s talking about fabric, it’s supposedly “unbleached” (so, like linen that is the not bleached or dyed and is the natural color of the material would be seisei).
It’s usually translated to beige/cream/off-white/milk-tea/Ivory or some other not-quite-white term by brands. There is another similar color, キナリ (Kinari) which is used sometimes (and I’ve seen AP use seisei on one shop blog and then kinari on another for the same item?), which according to a sewing reference book refers to a fabric that is unbleached too.”
Since it’s basically a huge block of pink that covers your whole body my first move would be to take off the detachable sleeves to tone it down a little. I also think it’s just cuter without them. From there you can add other colors in (white or other pastels like sax, lavender, or mint would work well) and one way to choose your colors is to come up with a bit of a theme to work with. It could be something as simple as flowers or cotton candy or something a little more involved like a magical girl theme. Magical girl themes are very popular lately so I’ll just use that as an example. I think these tights are super cute so you could start off with your dress and these tights. The tights have your pink but they also give you more color that you can work with in the purple which you can use for your accessories like bows, rings, necklaces, pins, etc. Maybe swap the neckbow out for a purple one with a magical girl feel, add purple shoes and a star-shaped bag, and there you have it.
I would go with either mint or white for the socks, maybe something with strawberries or a versatile print like a lace print, ribbons, bows, etc. Then maybe do pink for bigger accessories like your bag and a pink headbow and then mix mint and red for smaller things.
If you can find an ivory blouse that you think will look good with it I would go with that. Otherwise white should work or even a sort of dusty light pink. I think it would be very nice with the pink blouse actually, especially if you could incorporate the green from the skirt into the blouse with an accessory.
White and pink would be good, but mostly white. I would use pink for accents (like a pink floral hair accessory) and white for the main pieces.