Jinzou Kyuuketsuki Roa-chan no Shakai Tekiou Kiroku

Synopsis

A "bloody school love comedy" about a former human artificial vampire named Roa and a twisted genius assistant to a doctor, Toru. After being turned into an artificial vampire who feeds on blood by a dark organization, Roa ends up attending high school as a normal girl, but... (Source: Natalie, translated) Note: Includes the one-shot "Aikata no Bishoujo Idol ga Otoko datta (相方の美少女アイドルが男だった)".