A seemingly weak ghost spy & an awkward and witty high school student
While Chu Tang was preparing to conduct a special drug investigation, he found a stack of envelopes that had been dusty for many years in his old residence...
Thinking back to people from many years ago
Childish Notes "Big Brother's Eyes Have Gray Broken Glass"
The sudden appearance of a mysterious figure unlocks the past and future of the envelope
Concept: Missing is a pain that is deeper and longer than fear