This is a requested character. Black Rock Shooter.

Weight: 1.0

Trigger + Appearance: blackrockshooter, twintails, flaming eye

Default Outfit: black coat, open jacket, long sleeves, black bikini, bikini top only, front-tie bikini top, black gloves, black shorts, short shorts, white belt, belt buckle, midriff

Add black hair and blue 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.