Used screenshots and unofficial arts to create.
Hope this leads someone to generate a better model.

Tags for Appearance:

purple eyes, medium breasts, light brown hair, crown braid, short hair,

Tags for 3* outfit (江古田のアイドル):

white gloves, white shirt, light yellow jacket, short sleeves, neck ribbon, orange ribbon, orange skirt, frilled skirt, buttons, white thighhighs full body, dark brown highheels, Mary-jane shoes,

Tags for carat outfit (アイドルホリデイ):

Light indigo shirt, henley shirt, chest ribbon, Light indigo ribbon, scoop neck, collarbone, long sleeves, light indigo sleeves, short shirt, light brown skirt, no socks, ankle boots, brown boots, belt buckle

Tags for event outfit (ジャスパー):

Pink shirt, strapless shirt, white button, collarbone, no sleeves, short skirt, white skirt, layered skirt, back ribbon, pink ribbon, no socks, highheels,