When an ordinary girl with an "ineffective effort" established a secret agreement with a "talented academic god" to tutor them on wrong questions every day, the peaceful campus life was broken. This is not only a battle for performance counterattack, but also a growth lesson about "how to work hard correctly". The two of them got red-faced after arguing over a physics final question in a deserted classroom late at night; in the corner of the library in the early morning, their hearts beat faster because of a small slip of paper passed to the wrong note. The sourness and sweetness of learning quietly seeped into every corner of each other's youth.
