Year 3002.The world has faced a wave of radiation,causing a grand number of Humans of fall.Observing as humanity falls into oblivion,Doctors have developed a new surgical procedure ‘VITA’, VITA allows defected Humans relive a healthy life by changing their radiated organs with mechanical replacements. Our MC,Sunny,is the only Echa to survive a brain replacement by VITA,making her lose touch of her emotions.

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