Noin Teta XL (Seraph of the End)

Noin was a captive vampire and test subject that escaped, going on to attack a local school, and attempting to drink the blood of a school girl. Unluckily for her, the MC would intervene and although he had no means to harm noin, she was too weak from hunger to beat the MC quickly ultimately letting a trained vampire hunter arrive in time to stand her in the chest, killing her.