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She is the dead dragon god and a remnant soul resurrected by him. He is the immortal phoenix. Her resurrection and time travel were all arranged. She had never known him before. She was his pawn. He resurrected her and trained her in order to make her stronger and devour her. She was unwilling to surrender and vowed to win his heart... The protagonist does not have a system, but the supporting characters do. Male and female protagonist double clean 1V1 PS: I dare not say that the male protagonist is the most ruthless male protagonist in history, but he must be the one who is least affected by the halo of the female protagonist.