LORA weight 0.8 works great
Prompts that I usually used:
Older version:
long hair, white hair, braid, hair over one eye, braided ponytail, purple eyes, black dress, long sleeves, puffy sleeves, turtleneck dress, wide leg jumpsuit pants, pants tucked in, aMei
Younger version:
white hair, ponytail, parted bangs, hair ornament, scrunchie, purple eyes, black shirt, grey necktie, dark purple skirt, long skirt, high-waist skirt, bMei