They were born on the same day in the same year and month, one is a senior and the other is a junior girl. They have a good impression of each other but no one is willing to pierce the window paper. When their mutual friend forcibly pierced the window paper for them, she chose to escape. He waited for her for a year, and she waited for him for a year. In the end, fate went round and round. It was fate, and we were destined to be together.