My angel, my desire

Half-blood assassin Corvin is driven by a single goal: uncovering what really happened in his mother's mysterious death. His search leads him to rescue Nihil, an amnesiac angel who cannot remember who he is or where he came from. Bound together by circumstance, the two must navigate a world where destiny and old grudges pull them in opposite directions. Corvin's thirst for vengeance begins to collide with a bond he never expected to form.