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: alduca, red eyes, large breasts, brown hair, hair between eyes,

Default Outfit: defduca, black gloves, black footwear, high heels, black pantyhose, red skirt, red necktie, single mechanical arm, single elbow glove, green cape, italian flag, gold trim, medium hair, high-waist skirt, black thigh strap, shirt tucked in, white skirt, black bustier, white shirt, white shirt under black bustier, black arm strap, drill hair, military uniform, strappy heels, ankle strap, red ankle bow, black leg strap,

Lustrous Onyx Sirenetta: ssduca, bare shoulders, earrings, barefoot, bare legs, halterneck, red nails, black one-piece swimsuit, criss-cross halter, anklet, single mechanical arm, medium hair, black hair ribbon, black sarong, see-through sarong, red halo, hip vent,

Suit Outfit: suitduca, long hair, long sleeves, tie clip, earrings, small black halo, black high heels, black necktie, red coat, black suit, coat on shoulders,

White Bikini Outfit: wbduca, long hair, bare shoulders, white string halter bikini, black halo, white sheer shawl, side-tie bikini bottom, white choker, single mechanical arm,

Black Bikini: bbduca, long hair, single black elbow glove, bare shoulders, black thighhighs, black halo, black collar, single mechanical arm, black o-ring micro bikini,

Night Outfit: nightduca, long hair, bare shoulders, black halo, lingerie, red nails, red and black babydoll, red crotchless panties,

Bunny Outfit: bunnyduca, long hair, long sleeves, black thighhighs, black footwear, rabbit ears, high heels, fake animal ears, detached collar, garter straps, rabbit tail, black bowtie, epaulettes, fishnet thighhighs, single mechanical arm, tailcoat, hairclip, white collar, red gemstone, heart necklace, black jacket, frilled sleeves, strapless bustier, chain, strappy heels, black bustier, black panties, highleg panties, framed breasts, gold trim,

Swimsuit Outfit: ssaltduca, long hair, bare shoulders, black halo, multicolored highleg one-piece swimsuit, black arm strap, single mechanical arm,

Alt Bunny Outfit: bunnyaltduca, single black elbow glove, detached white collar with black bowtie, floating rabbit ears, stud earrings, bare shoulders, strap gap, black highleg leotard, side ponytail, wrist cuffs, drill hair, red nails, fishnet pantyhose, single mechanical arm, side drill,

Succubus Outfit: succuduca, long hair, black elbow gloves with red fur trim, black thighhighs with garter straps, red halo, black choker, demon horns, demon tail, revealing clothes, areola slip, demon wings, black bat crotchless panties, black high heel boots, pubic heart tattoo, black slingshot swimsuit,

Casual Outfit: casduca, long hair, black sleeveless frilled shirt, long green skirt, single black elbow glove, red high heel sandals, bare legs, drill hair, hair over shoulder, high-waist skirt, shirt tucked in, red halo, single mechanical arm, black ascot, side drill,

Meta Outfit: metaduca, detached black elbow gloves, black and red dress, detached white collar with black bowtie, very long hair, black bowtie, black cape, black halo, breast strap,

Teacher Outfit: schduca, long hair, long sleeves, frilled sleeves, black neck ribbon, white shirt, collared shirt, red halo, short shorts, dress shirt, buttons, black shorts, garter straps, red nails, shirt tucked in, double-breasted, taut shirt, single mechanical arm, high-waist shorts, drill hair, twin drills,

Sports Outfit: sportsduca, white shirt, cropped jacket, panty straps, front-tie top, black thighhighs, open jacket, red halo, black jacket, crop top, sleeveless shirt, short shorts, black panties, black choker, highleg panties, white shorts, pink belt, medium hair,