When Gu Yan, recognized by the whole school as the most beautiful girl in the school, discovered that Su Wan, the cute school girl who always peeked at him in the library, was pressed against the wall by the handsome school bully Xu Yao and forced to kiss her in the milk tea shop - he tore into pieces the final question of the Olympiad that he had just solved.
This secret love suddenly turned into a hunting game with open guns and covert arrows:
Gu Yan used mathematical formulas to write a love letter: "Understanding you is my only domain of convergence";
Xu Yao stuffed the rose into her desk: "Who are you pretending to be good for? You were cuter when you bit my shoulder last night";
Lin Huai, the brother next door who lives opposite Su Wan, is silently burning the 365 unsent love letters she wrote to Gu Yan...
Until the National Mathematics League, Su Wan's admission ticket suddenly disappeared, and surveillance showed that the last person who came into contact with it was——
