Literary version: Everyone has one or two things that when others ask about it, they can only smile and have no way to explain it. There are also one or two people who, when their names are mentioned, the expression on their faces changes instantly.
We have no choice but to do what we are assigned to do, so some people are unwilling to do it. They resist, run away from home, stop and go, and finally stand on a platform in a strange city, bursting into tears.
Short version: A rich second generation came to a city under the double blow of her parents' divorce and being dumped. In this city, she met a top student. It turns out that top students also chase people...
Intention: