My Despicable Vampire Twin

Hikaru was a supposedly ordinary girl, (because her father was a pureblood but her mother was a vampire hunter) was sent to a school of monsters, Sakurami Vampire High. She always picks a fight with Nagi, an aristorcrat, rank C fire-wielder vampire, and has Hiroshi, her faternal twin, and Shiro Yuki Suzuki, her best...