Darker than Black

In a world where supernatural abilities have emerged, known as Contractors, with no emotions or conscience, a young high-schooler named Kana Shinoh must navigate this treacherous landscape. After spotting her deceased father in the street, Kana's determination to prove his survival leads her on a perilous mission, attracting the attention of powerful forces. She is rescued by Hei, the most wanted Contractor in Tokyo, known as the Black Reaper, who agrees to protect her. But can she trust this unsympathetic and elusive figure, who has earned his reputation as a ruthless killer?