下記プロンプトを追加してみてください。細かいところの再現が難しいので、環境にあわせてプロンプト調整が必要かもしれません。
asymmetrical outfit, dark purple kimono-style top with butterfly embroidery,
light blue sleeve with butterfly pattern, one sleeve, one sleeveless side,
sideboob, black chest cloth, cleavage, open chest, bare shoulders,
decorative obi, multicolored sash, waist ribbon,
black see-through skirt with golden floral pattern, sheer fabric on left hip, translucent skirt side,
fabric butterfly motif only, no butterflies flying, butterfly design on upper clothing only,
floral print only on lower skirt, golden flower embroidery on skirt,
katana, sheathed sword, gloves, panties, sexy
