Couple things to note:

Prompts: Sh1on(Tensura), purple hair, large breasts, 1horn, 1girl, single horn, purple eyes, long hair, cleavage, huge breasts, ponytail

I kept the strength at 0.9, but you can change it to accommodate your needs.

You can add prompts such as "suit" to generate her signature suit, but also add negative prompts such as "necktie" and "cape". I noticed that this model favours cape-like clothing.

Otherwise, Enjoy!