This is Kiritani Ryouko from Beat Angel Escalayer.

Her prompts are:

ctekiry, mature female, brown hair, blue eyes, side parting, ponytail

alternatively you can use the following:

ctekiry, mature female, brown hair, blue eyes, long hair,

Her usual outfit:

red cardigan, blue blouse, beige pants,

V1 notes:

Looks good. Maybe a little overfitted. Will test more and see.