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When he was young, he had talents that ordinary people could not touch, but in order to repay his kindness, he adopted a girl and retired from the world for eighteen years. Eighteen years later, the demons invaded again and the world was in chaos. He emerged from the sky with a talented and beautiful woman, and secretly made a vow: not for the sake of the common people, but to protect you for the rest of his life. But the ending is...

Just because he encountered an accident, he accidentally triggered the mysterious power hidden in his body, and was involved in the melee of other worlds. When he recognized the reality and decided to find a way to end everything, the truth of another incident was slowly emerging...