Da Jin ushered in his first summer vacation after becoming a college student. When he realized that he could no longer see Bao, who had finally become a good friend, he was very disappointed.Entering the summer vacation, when spending time with Emiri, Mei, Kenzo and the others, the club's fireworks invitation came.On the day of the fireworks, Da Jin went to the meeting place, but met the lost boy Haili.What appeared in front of Da Jin and the others was...