Use with 6 CFG or lower.

Default

lucy heartfilia, blonde hair, long hair, side ponytail, hair between eyes, hair ribbon, blue ribbon, brown eyes, large breasts, earrings, blue shirt, sleeveless shirt, bare shoulders, black gloves, single elbow glove, fingerless glove, white skirt, thigh boots, brown footwear

Taurus

lucy heartfilia, blonde hair, long hair, double bun, brown eyes, large breasts, brown choker, bikini top only, cow print bikini, elbow gloves, fingerless gloves, black pants, single pantsleg, asymmetrical legwear, gold vambraces, white belt

Leo

lucy heartfilia, blonde hair, long hair, single hair bun, purple hair ornament, brown eyes, large breasts, black dress, strapless dress, bare shoulders, detached sleeves, cleavage, pantyhose

Pink bikini

lucy heartfilia, blonde hair, long hair, side ponytail, hair ribbon, blue ribbon, brown eyes, large breasts, (pink bikini), (star print bikini), underboob

Make sure to put "white bikini" on negative prompt if using the pink bikini.