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