Hatsune Miku as depicted in The Vampire MV by DECO*27.

Weight: 1.0

Trigger + Appearance: vampiremiku, heart facial mark, fangs, aqua hair, twintails, heart hair ornament, hair ribbon, black ribbon, aqua eyes

Default Outfit: jirai kei, frills, pink shirt, frilled shirt collar, long sleeves, black skirt, ear piercing, earrings, black mask, mouth mask, bandaid on neck, ring, nail polish, black nails

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.