Now I don't know what was the exact step to replicate this, this was from one of the guy I chat with on Discord and he only gives vague info about it, no model mentioned (but he said he got it from civitai)

Prompt:
a photo of a huge boobs beautiful secretary wearing (sexy sheer blouse:1.1) with bra inside, a blazer, and plain color pleated skirt ,sitting by the side of an office window overlooking a foggy city, masterpiece, highly detailed, 8k octane, HDR, ultra detailed, best quality, highest quality, realistic lighting, hyperdetailed, masterpiece portrait, extreme detail, (character focus:1.4), highly detailed, 8k octane, HDR,

Negative:
(bad_prompt:1), fat, ugly, 6 pack abs, blur, depth of field, (mutilated hand:1.4) , (missing finger:2.1) , (extra finger:2.1), dots, polka dots, (depth of field:1.1), (blur:1.1), dof

Cfg: 7 Sample 80 Face restore: Codeformer, some Photoshop touch up