In the third year of junior high school, Han Wen transferred to another school and became Xia Yanxing's deskmate.
Every night, across the street, they turn off the lights and go to bed at the same time.
The night he left, he pressed the light three times: "Goodbye."
He replied three times: "Evening, morning, good."
For the next two years, at eleven o'clock every night, two windows, two cities, lights turned off three times, but no one came back.
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Main CP: Han Wen (attack) × Xia Yanxing (subject) Deputy CP: Chen Shulan (attack) × Sang Shu (subject)
Mission: No pain, no gain, hard work will eventually pay off