A code book that had been on hold for six years was opened inadvertently, and the past suddenly seemed like a dream. Pieces of things entered Zheng Nan's mind... However, time has passed and this feeling has passed... It's best if everything is fine now!
Intention: There once lived an unforgettable person in everyone's heart. When he thinks of it, he doesn't care about it, and when he doesn't think about it, it's in the bottom of his heart...