Thought He Was a Patient, but Actually He Was a Dual Personality Savior

What will happen to the world when the moon's yellow light no longer shines and is replaced by a red halo? When you are seriously ill and in danger, would you choose to remain anonymous and fight against the odds? When your memory and soul can be modified, replaced or even erased, are you still you? Chen Qing, a sick ordinary high school student, had to answer the above questions because of a "soul fusion" surgery. In this red world marked by the weird red sky, "foreign objects" are causing disasters. They feed on humans and are our enemies! Chen Qing risked her life to participate in the "City Defense Project" and volunteered for "gene fusion" to obtain the system and awaken powers at critical moments. Since then, he has embarked on the road to salvation with his dual personality...