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[Daily life in college + love + single heroine] Wen Xubai and Qiao Zhixu had a very good relationship since childhood. They lived opposite each other for nineteen years, and they had been arguing since childhood. She snatched his position as class monitor, and he hid her homework books; he sneered when she ranked first in the exam, and she sneered when he ranked first. During a misunderstanding after the high school entrance examination, she scolded him to "get out". He really did and didn't speak for three years. At the beginning of his freshman year, Wen Xubai was given an anonymous social networking app by his roommate, which was said to be a "soul match, regardless of face." He completed the test questions, and the matching rate was 98%—the user opposite was "Shiqi". He found that this man's idiom was familiar, his answers were familiar, and he was even familiar with the awkwardness of "preferring not to have a lover but to keep a rival." One day, the other party sent a message: "Wen Xubai, you filled in my birthday as the answer to the test question, do you have a crush on me?" His hand shook and he looked out the window - in the girls' dormitory opposite, Qiao Zhixu was holding up his mobile phone, and the beige curtains were swaying in the wind. It turns out there is no bug in the algorithm. It's them who have the bug. They have lived across the street for 19 years, but they have to use an anonymous app to say good night.