Sayama Kaoru 狭山 薫 / Yakuza 2 龍が如く2

Outfit: black jacket, pant suit, formal

Try adding ponytail (kiwami) or updo (ps2) to change hairstyle. It's not accurate because not much of the training data is from the side or back.

Use realistic for style closer to in-game model.

Trained on NAI

You may want to add watermark and monochrome to negative prompt.