This is Shizuka from New Angel. It's quite an old anime. I've excluded ep1 from the dataset because the character design seems to have changed a bit after ep1.

Her prompts:

neanshiz, purple hair, long hair, half updo, green eyes, bangs,
neanshiz, purple hair, long hair, ponytail, green eyes, bangs,

Her usual outfit:

serafuku, red sailor collar, bow
tank top, orange skirt,

Additional prompts:

retro artstyle, 1990s (style), 1980s (style)