Rock Chae Eun (???? - ), a Korean fashion and lingerie model. Trained on 73 images of her from the late 2010s to the early 2020s (roughly age 30).

I find using a LoRA weight of 0.3 and a trigger word weight of 1.1 to be optimal:

<lora:rock_chae_eun_obj20:0.3>, (rock_chae_eun: 1.1)

If you're only getting closeups of her, try to reduce the weight of the LoRA and/or trigger word, moving the trigger word further down the prompt, or describe her body, especially lower body like shoes in greater detail near the front.