Etou Ayane (江藤綾音), from the eromanga (Houshi-iin No Oshigoto (奉仕委員のおしごと) aka The Job of a Service Committee, by Kiyoshiro Inoue. Her hair style is kinda inconsistent (which is because it changes all the time in the manga) but it works fine. Her hair works as either purple (as per the cover) or blue (as per all the color pages inside). Trained from 25 images for 1000 steps, with some NSFW images included so usually precautions apply

Prompt:

etouayane,long hair,blue hair,brown eyes,glasses,large breasts

The other character from this manga is Tsujibayashi Rin (LoRA: https://civarchive.com/models/1760962/tsujibayashi-rin-houshi-iin-no-oshigoto-kiyoshiro-inoue)