In mathematics, deviation is error.
In chemistry, deviation is a variable.
Ye Di has a gift for mathematics,
but a poor performance on the college entrance exam landed her in the English department, the subject she's worst at.
Lost and off balance,
she met a rational, restrained mentor on an anonymous forum.
But then reality began to overlap with the online world, and the other person turned out to be...
Between testing the waters and drawing closer, the two of them entered a sweet romance...
As long as nothing breaks, everything can stay as it is...
But then... Professor Cui, who always pursues the optimal solution...
Some people use love to force you to grow,
and you use growth to fight back against that love.
[Reading Guide]
Characters: Genius math girl vs. aloof chemistry professor
Devoted love + rekindled romance after a breakup + reversed social positions
POV: Switch
In an uncertain world, search for the one thing that is certain.
Theme: In an uncertain world, search for the one thing that is certain.
