Sofia dies young after awakening as a “Child of Taboo,” a being destined to become a lust demon due to her mixed angel and demon blood. Miraculously turning back time, she resolves to change her tragic fate—but destiny does not yield easily, and she finds herself once again entangled in the temptation of men. Reaching out to her are two figures: Ares, her non-blood-related younger brother who seeks to bind her, and Evan, a demon who stands against the angels and offers her unwavering, pure love. A dark romance fantasy about fate, desire, and salvation.