An illustrious character LoRA for Karen from Ore no Ie ga Maryoku Spot Datta Ken trained purely on manga images. I recommend a strength of 0.7.

Appearance:

orenoie_karen,

Outfit:

suit, cleavage, high collar,

Swimsuit:

swimsuit, bikini, sarong,

Add "monochrome, greyscale," for more of the manga look.