weight 0.7 is best.
Please read the description.

outfit1
aausagi, double bun, twintails, parted bangs, circlet, jewelry, earrings, choker, red bow, white gloves, elbow gloves, blue skirt

(+ hair ornament)

outfit2
aausagi, double bun, twintails, parted bangs, hair ornament, circlet, jewelry, earrings, choker, see-through, red bow, white gloves, elbow gloves, multicolored skirt


outfit3
aausagi, double bun, twintails, parted bangs, hair ornament, crescent facial mark, jewelry, earrings, choker, puffy short sleeves, pink sleeves, heart brooch, white gloves, elbow gloves, layered skirt

I uploaded a sample image of the outfit as a post.

I recommend adding sailor collar to the negative prompt when wearing an untrained costume.