The first eight outfits are official outfits and the other ones are outfits that show up in artist art displayed in-game or merch/collab so I say its fair game.
More images in the galleries.
Appearance: alyork, white hair, blue eyes, parted bangs, large breasts,
Default Outfit: defyork, long hair, long sleeves, white and black dress, black bodice, black sleeves, black pantyhose, red and white armband, blue criss cross mary janes, blue flower brooch, plunging neckline, buttons, rudder footwear, white belt, sleeve cuffs, thin black choker, black petticoat,
Evening I Can't Remember: partyyork, long hair, bare shoulders, black hair ribbon, ponytail, sidelocks, long black sleeveless frilled halter dress, white gloves, blue scarf, blue rose on dress, see-through cleavage, criss-cross halter, white feather boa, necklace, front frills, gown,
Saintly Wings: travelyork, long hair, long sleeves, black high heel ankle boots, black gloves, black belt, off shoulder coat, necklace, black pantyhose, open coat, white coat, black and white trench coat, coat over trench coat, black turtleneck sweater, trench coat over turtleneck sweater,
Yorktown II: dosyork, very long hair, earrings, blue neck ribbon, black bra, bra peek, long sleeveless strapless white dress with see-through underskirt, black strappy high heels, black thigh strap, detached long white sleeves, black pantyhose, low feathered white wings, bare shoulders, cleavage cutout, black corset, cross necklace, rudder footwear,
Bright-Sky Mermaid: sumyork, very long hair, long sleeves, bare shoulders, detached white see-through sleeves, barefoot, bare legs, white sun hat, hairclip, side-tie bikini bottom, white cross choker, white frilled strappy bikini,
Wedding: wedyork, very long hair, butterfly hair ornament, bare shoulders, long white hair ribbon, detached white frilled see-through sleeves, ass cutout, bare back, white strapless sleeveless backless see-through wedding dress, earrings, lace-up top, see-through silhouette,
An Evening's Companionship: bunnyyork, very long hair, white detached collar with black bowtie, black fake rabbit ears, bare shoulders, white fake rabbit tail, black high heels, black strapless sleeveless highleg leotard, center opening, black pantyhose, white wrist cuffs, covered navel, side-tie leotard, bare arms,
Meta: metayork, very long hair, earrings, black nails, short black torn sleeveless halter dress, criss-cross halter, black strappy high heels, rudder footwear, black pantyhose, black and blue torn coat, coat on shoulders, open coat, black hair tips, blue rose bracelet,
Christmas: chryork, long hair, midriff, santa hat, santa costume, red choker, red fur-trimmed coat, red fur-trimmed capelet, christmas bowtie, red fur-trimmed bikini top, red fur-trimmed skirt, brown belt, brown pantyhose,
Oktoberfest: oktyork, very long hair, black hair ribbon, blue bowtie, bare shoulders, ponytail, sidelocks, white frilled socks, hair flower, black mary janes, black dress, white waist apron, detached white frilled puffy short sleeves, cleavage cutout, german clothes, black frilled dirndl, black frills, blue frills, long skirt,
Maid: maidyork, very long hair, bare shoulders, earrings, black detached sleeves, black high heels, frilled strapless sleeveless white dress with black underskirt, black corset, white apron, maid, cross earrings, white back bow, white frilled choker with blue neck ribbon,
Diner: dineryork, long hair, white maid headdress, blue hair flower, white frilled waist apron, puffy short sleeves, waitress, blue and white striped dress, blue choker, vertical-striped dress,
Popup Collab: wdressyork, very long hair, long sleeves, bare shoulders, blue sleeve ribbon, detached white frilled see-through sleeves, long strapless sleeveless white dress, criss-cross strings, bead belt, necklace, white strappy heels with white butterfly,