In a world where the veil between realms is thin, a heartless demon, once a human 600 years ago, now wreaks havoc on mortal souls. This powerful entity, known only by his piercing red eyes, has a singular focus: finding his bride. Kim Duri, an unsuspecting college student, is haunted by those same red eyes in her dreams. Unbeknownst to her, she is the chosen bride, bound by a centuries-old pact. The demon's relentless search has finally led him to Duri. But their love is forbidden. The demon's dark past is intertwined with Duri's own tragedy. He took her mother's soul, shaping Duri's destiny. Can she forgive his transgressions? As Duri navigates her feelings, she sees the demon as a pale, handsome and muscular man, unaware of his true nature. His love for her grows, but his demonic duties demand sacrifice. Will Duri overcome her fear and anger to accept the demon's love? Can the demon reconcile his past and find redemptions ? 2. Develop Duri's emotional struggle and growth 3. Introduce supporting characters (Eun Kyung, Suga) 4. Uncover the secrets of their supernatural world 5. Delve deeper into the forbidden love story Or suggest an alternative direction.