weight 0.7 is best.
I created this LoRA as requested.

Please read the description.

outfit1 (backpackcan be removed)
aakaede, long hair, ahoge, hair ornament, breasts, school uniform, necktie, backpack, pink vest, sweater vest, collared shirt, long sleeves, pleated skirt, purple skirt, print skirt, pantyhose


outfit2
aakaede, long hair, ahoge, hair ornament, breasts, collarbone, black serafuku, sailor collar, red neckerchief, (black shirt:1.2), long sleeves, black skirt


outfit3
aakaede, long hair, ahoge, hair ornament, rabbit ears, breasts, playboy bunny, detached collar, orange necktie, bare shoulders, strapless, pink leotard, frills, wrist cuffs, pantyhose

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