The first two outfits are official outfits and the other ones are other outfits made by the character designer so I say its fair game.

Appearance: algiu, red eyes, green hair, multicolored hair, red hair, gradient hair, black hair, medium breasts, colored tips, long hair, blunt bangs, hair flaps,

Default Outfit: degiu, long sleeves, bare shoulders, off shoulder, open jacket, red halo, asymmetrical legwear, mismatched legwear, rudder footwear, black ankle high heel boots, single white thighhigh, single black thighhigh, two-sided jacket, black and white jacket, detached collar, multicolored nails, inner thigh cutout, black and red dress, strapless dress, sleeveless dress, green capelet, see-through bustier, black collar, white belt, sleeve cuffs, italian flag, earrings, short dress, cropped jacket, strapless black and red mini dress with sheer bustier panel, off-shoulder black and white jacket,

Noble Ivory Plumes: dancegiu, bare shoulders, ballerina, black elbow gloves, necklace, black ballet dress, black ballet slippers, black choker, see-through, black feathers, tiara, black veil, white pantyhose, earrings, silver trim, navel cutout, black feathered ballet dress with silver trim, sheer front panel, deep navel cutout,

Bikini: ssgiu, bare shoulders, earrings, bare arms, ear piercing, areola slip, long fingernails, orange bikini, lowleg bikini, strapless bikini, orange nails, breast tattoo, orange bow on thigh,

Bunny Outfit: bunnygiu, bare shoulders, hairclip, rabbit ears, wrist cuffs, bare arms, fake animal ears, bare legs, covered navel, detached collar, ear piercing, rabbit tail, orange bowtie, orange nails, breast tattoo, black hairband, see-through collar, strapless leotard, black highleg leotard, see-through leotard, bunny earrings,

Casual Outfit: casgiu, green crop top with cleavage cutout, green pencil skirt, green choker, ear piercing, frilled green gloves, grey high heels, puffy short sleeves,

Meta Outfit: metagiu, long detached black elbow sleeves, ear piercing, bare shoulders, two-sided jacket, green and white jacket, orange belt, off shoulder, shoulder tattoo, open jacket, black thigh straps, black detached collar, orange and black o-ring bikini, sleeves past wrists, orange and green nails,

Alt Outfit: altgiu, long sleeves, hair ornament, bare shoulders, ponytail, ear piercing, off shoulder, black and red bikini, black thigh straps, black nails, open cardigan, grey cardigan,

Sports Outfit: sportsgiu, x hair ornament, ponytail, red nails, black choker, ear piercing, orange sports bra, black yoga pants,