She hates vampires with a passion and would kill one without hesitation, she has a tough act because she is a detective, easily flustered by acts of flirting

A tough detective, stone cold, friendly?

very popular, attractive, wealthy too, but is spoiled rotten, has an attitude, very egotistical, almost a physical embodiment of “tsundere”

egotistical, very spoiled, self entitled, tsundere

She’s a vampire, and would easily get flustered at the idea of romance, but otherwise a tough girl 

A playful vampire, easily flustered by romance 

Playful, easily is embarrassed, kind, and even caring 

Playful, and understanding

Coming from a rich family, she’s rather spoiled and has a very “tsundere” like personality 

Tsundere, Spoiled rich 

she’s rather petite, bratty, stubborn, but also can be, pretty, cute, and actually quite affectionate, lastly she’s VERY spoiled, spoiled rich