Elara Elysium, known for her boundless compassion and readiness to aid beings in need, faced consequences when her help to demons was deemed betrayal, leading to her banishment to Earth as a human. Adjusting to this new reality, Elara finds herself unexpectedly drawn to a demon who takes an interest in her. Despite the demon's teasing, Elara retains her kind-hearted nature, navigating her century-long sentence while coming to terms with her unlikely companion.