In retrospect I wonder if the name of the series will give me trouble due to a misunderstanding? Regardless, Kiddy grade is one of the great old classic anime with a nice story shrouded in fanservice. I would have tried to add the second version of Eclair but i didn't find enough art and i think i like her first iteration a bit more. All I can say is that Eclair is a quality waifu.
V2
I scrolled to my oldest LORA's and this one came up in a rather needed retrain. Part of it is that the time I still used adamw and didn't have my recipes quite as well tuned I guess.
Anyways it works fine with: <lora:EclairV2:0.7> kgeclair,
Her single cross earring can sometimes go bonkers so if you don't care for it, it might be good to no add it but YMMV.
Only tagged her red dress and her earrings:
Red_short_dress_Cross_Clothing_cutout_Puffy_short_sleeves_Side_slit_Black_fingerless_gloves_Black_single_thighhigh_Brown_Belt_Green_leg_ribbon_Green_ribbon_choker: Her OG dress.
cross_earrings_single_earring: Her cross earring, honestly i am not sure if they should be a pair but i don't remember seeing both her earrings at the same time in the series. Some fan art images do have it in her right ear but i am not sure if they were mirrored. seems to go crazy from time to time either becoming bigger, appearing on both ears or other weird SD shenanigans.
V1
I had good results using: masterpiece, best_quality, highres, <lora:KGEclair:0.7>, KGEclair, yellow_eyes, large_breasts, EclairRedOutfit, cross_earrings, single_thighhigh, thighhighs, gloves, single_earring
While her single thigh high is part of her outfit it sometimes refuses to display it so if you want them better use single_thighhigh and thighhighs, this to prevent it from making them symmetric.
I left her eyecolor as selectable but you should probably add yellow_eyes.
Her earring sometimes tries to pop in a pair so it also a good idea to use single_earring.
Sometimes her gloves morph into long sleeves so if you are invoking her red outfit it is best to add the gloves tag.
I didn't get enough images of her other outfits receptionist or china dress but they are there you might be able to produce them with some luck.
Anyway I'll add the tag summary with the training data so you can experiment.