Female-Oriented Power Fantasy, No Romance, No Family, No Saintly Heroine

No romance, no flirting, no ambiguous relationships. No family or best friends, no one to worry about, just focus on her career. No being doted on by everyone, no plain-looking heroines, and no saintly types. A strong female lead who stands on her own and needs no one else. Cultivation / tycoon stories / quick transmigration / System. Ideally, she's born bad to the bone or has...