Weight: 1.0
Trigger + Appearance: htmodeus, black horns, demon horns, heart-shaped pupils, demon tail
Default Outfit: formal, black suit, black jacket, long sleeves, red sweater, turtleneck sweater, sleeves past wrists, black skirt, red pantyhose
Add white hair and red eyes if necessary.
The results of your generations are dependent on the additional LoRAs, weights, and models you use, so it may not work or come out as consistent as my sample images.