He, the only immortal on Penglai Island, has always been responsible for the common people in the world; she, the reincarnation of the daughter of the ancient demon king and the demon princess, can destroy the world with a wave of her purple sleeves. Three lives of love, the first life is beautiful, the second life is dull, and the third life is sad. This life is the third life of three lives of love. When friendship and friendship cannot be reconciled, how will he choose?