This is Keiko Nakahara from Jichikai no Hitozuma wa Totemo H deshita. 3 Hitozuma-tachi no Oshokuji Hen.

Her prompts are:

jihik3na, short hair, bob cut, bangs, blue hair, purple eyes,

Her usual outfit:

office lady, white collared shirt, yellow cardigan, pencil skirt, lanyard

office lady, white collared shirt, vest, pencil skirt, lanyard