Tsinghua medical student Sang Zi fell in love with a new student named Gu Chen. A female friend of Gu Chen's named Cheng Cheng fell in love with Sang Zi at first sight, but did not dare to reveal her feelings for some reasons, so he stayed with her on the pretext of helping Sang Zi pursue Gu Chen. Later, after a series of events, the two finally got their wish.
Intention: On a snowy day, that person is there. He lowers his head and counts the footprints. When he counts to seven, he looks up and it's you.