This is my 5th slider lora. You can control the waists by changing lora strength.
For V2, Recommended: -2.5 ~ 2.5 (-2.5 = flat, 2.5 = thick)
For V1, Recommended: -2.0 ~ 2.0 (-2.0 = thin, 2.0 = thick)
V2 version can generate flat butts.
You can use the following sentence to get the sample picture：
A young woman with long dark hair turns her head over her shoulder to look at the camera while standing with her back facing it, wearing a form-fitting beige dress and black tights in an elegant indoor setting.