Basically, mixes my style with the model you're using. Main features include big eyes, swoopy hair with simple curls, a broken/cut-off body, and feminine men.
Try using with 0.9 or 1 weight.
Picture uses the Whimsical model with this LoRA at 1.0, the prompts were:
AddEdgeStyle, cute boy, 1boy, shoulder length hair, collared shirt, blond hair, green eyes, looking at camera, 2 horns, bust, red tips, hand on head, looking at viewer, looking straight ahead