It tells the love story of two girls. The story begins in a class in the first grade of junior high school. The two met and got to know each other for half a semester. The two have been together for four years. Ma Si gave up the opportunity to study abroad and accompanied Han Ying to a key high school. After four years together, the two broke up because of something. But after the breakup, the two regretted and got back together. The two lived together after graduating from high school. The ending of the story is very happy. I just remember the summer when the two met. Their story is very beautiful. Their story is not over yet.
Mission: No regrets when we meet, no regrets in the past.