Hellsing

Hellsing follows the antiheroic vampire, Alucard, and a police girl-turned-vampire, Seras Victoria, two vampires employed by the vampire-extermination group of England, the Hellsing Organization. Slowly but surely, through their active duty, they find a new breed of vampires beginning to arise. (Source: Anime News Network)

RIN ~Daughters of Mnemosyne~

Rin Asogi is an immortal private detective with a thirst for vodka and a talent for attracting things that go bump in the night. In a series of nightmarish vignettes spanning sixty-five years, Rin's lush body is sadistically pierced, blown up, and mulched to a bloody pulp. The fiend behind her tortured existence is Apos, an eternal being obsessed with sacrificing Rin to Yggdrasil, the tree of all life. While Rin struggles to unravel the secrets of her endless agony, Apos lurks in the shadows, eager to tear into her ripe body and devour the memories of her countless lives. Rin's no stranger to the realm of the dead, but her next visit could last forever. (Source: FUNimation)

Exorcism Chronicles: The Beginning

Hyun-Am trains in Tai Chi Qigong in order to fight the water ghost that killed his sister. Father Park, unable to save his friend’s daughter from an unknown evil spirit, chooses to become a priest walking the path of asceticism. Jun-Hoo, the only survivor of Eastern Sea Esoteric Buddhism, is a genius who has inherited all the magic of the five guardians of Esoteric Buddhism. Seung-Hee, who has a secret, gets involved in a mysterious case due to her father. An occult fantasy in which individual exorcists, each driven by their own causes, solve crimes and fight together against evil demons. Demons who rule the spiritual and emotional worlds of mankind, and drive society into chaos.(Source: Naver, translated)