Only problem is that her headwear may still appear even without the prompt, maybe lowering weight/CFG can help.

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hilda boreas greyrat, red hair, long hair, swept bangs, grey eyes, red eyeshadow, red lips, pearl earrings, large breasts, black headwear, pearl necklace, green gemstone, red dress, strapless dress, off-shoulder dress, long dress, cleavage, detached sleeves, long sleeves, brown shawl