The Immortal Doctor was betrayed and reborn 500 years ago, and became a high school student again. The memory of the former family, invincible medical skills, magical magic, and shocking treasures are right in front of him. In his previous life, he experienced parting, betrayal, oppression, despair and helplessness in the world. This For the rest of his life, he wants to be happy with his grievances, let out his unhappiness, and return to the peak of the fairy world.