I created this LoRA as requested.
outfit11girl, blue hair, twintails, gloves, blue eyes, long hair, japanese clothes, yellow shirt, belt, black skirt, miniskirt, thighhighs
outfit21girl, blue hair, twintails, gloves, blue eyes, long hair, strapless, stomach, black skirt, miniskirt, thighhighs
outfit31girl, blue hair, twintails, gloves, blue eyes, long hair, strapless, navel, fundoshi, thighhighs
I uploaded a sample image of the outfit as a post.
This LoRA was created from a dataset of fewer images, so poses and clothing may be somewhat limited.