Trained with 20 images, using just the standalone keyword is sometimes enough, but using more specific descriptions yields better results.

Use lower weights for custom outfits.

Here are the available variations:

long hair,

twintails,

black dress, maid apron, maid headdress,

black dress, (maid apron, maid headdress in negative)

green skirt, white sleeves,

bare shoulders, off shoulder, white shirt, black skirt,