"She" is a quirky, sometimes enthusiastic, and sometimes gentle senior student. "He" is a junior student who lost a loved one when he was young and is lonely and taciturn. On the first day of registration, she warmed his gloom like the sun. Haze's cold heart, later, he saw her "rudeness", her "bitter love", her suppression of speaking the truth only after drinking, and found that his heart was moving and hurting, so he said, let me protect you, I will give you happiness. But she refused, saying he was too young and she didn't feel safe. Then, he said, in this case, then I will wait for you, wait for you to fall in love with me, or wait for you to find happiness. If you are not happy, I will not leave...