In a future where memories can be accurately deleted, Lin Mo, a top memory tuner, accidentally encountered a "ghost memory" that should have been completely erased during a routine operation - the fragrance of gardenias and a vague nursery rhyme. This reverberation haunted him like a ghost, leading him to a codename "Customer No. 734" That was strictly blocked by the company. In order to explore the truth, Lin Mo embarked on a dangerous journey upstream and against the entire memory empire. He gradually discovers that what he is pursuing is not only the past of others, but also his own tampered identity and a cruel truth buried deep under the sea of oblivion.
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