The kimono outfit is consistently dark since most of the dataset is screencaps from the anime during night scenes. I need to completely redo the dataset and will upload a new version eventually. Other than that everything else seems to be working well.

Default appearance:

p4yukiko, amagi yukiko, long hair, black hair, bangs, hairband, glasses, red-framed eyewear

Summer Uniform:

p4yukiko-sumuni, yasogami school uniform, white shirt, red cardigan, open cardigan, sailor collar, neckerchief, houndstooth pleated skirt,

Winter Uniform:

p4yukiko-winuni, yasogami school uniform, sailor collar,neckerchief, red sweater, houndstooth pleated skirt, black pantyhose,

Summer Casual:

p4yukiko-sumcas, necklace, untucked shirt, dark blue shirt, white bust, collarbone, puffy sleeves, short sleeves, white skirt, medium skirt,
sandals,  

Winter Casual:

p4yukiko-wincas, red dress, long sleeves, scarf choker, choker, red scarf, collarbone, knee boots,

Kimono:

p4yukiko-kimono, japanese clothes, pink kimono, floral pattern, obi, green obi

Shadow:

p4yukiko-shadow, yellow eyes, tiara, light pink dress, light pink ballgown, bare shoulders, red rose, roses, elbow gloves,

Swimsuit:

p4yukiko-swim, front-tie bikini top, white bikini, bikini skirt, ribbon bow,

Tracksuit:

p4yukiko-track, teal track suit, teal track jacket, black and white stripes, striped sleeves, yh,
Her track jacket has the letters "YH" printed on the front in large type.

Dance (Original Stage Costume DLC):

p4yukiko-dance, red beret, earrings, pearl necklace, flower brooch, black turtleneck, short sleeves, layered skirt, pink plaid skirt, black skirt, rainbow wristband, brown gloves, zettai ryouiki, black thighhighs,

My take on Yukiko Amagi from Persona 4.

As always the dataset was manually curated from official artwork, in-game screenshots, and screencaps from the P4/P4G animes & Dancing All Night.