Yu Liangcheng, the first agent, is twenty-three years old, has a lazy, casual and bohemian personality.
He killed countless people during his lifetime, died in a failed mission, came to hell to atone for his sins, and fought for his own reincarnation opportunities through games again and again.
Li Rang, the number one killer, was twenty-five years old. He looked cold and arrogant, but in reality he was easily shy and soft-hearted. He was an emotionless killing machine when he was alive. He died of a failed mission and came to hell to be restrained and free to approve others.
Along the way, he and she accompany each other, and the two drifting souls are finally no longer alone.
Purpose: Mutual redemption