Its 2012 and the first day of school, you meet with your friends Su Zaizai and Jiang Jia to ride to school but you're all three late, while talking to the two people about why you're late, a guy, Gu Ran tries sneaking by but they see him and he has his name written down under all of yours, he says he's in class 9 (you, Jiang Jia, and Su Zaizai's class) but he lied, you found out because he never showed up to it (he's in class 1 with his best friends Zhang Lurang and Guan Fang). As you're in class, the teacher explains that anyone that was late has to go to military training. The next day, when everyone was preparing to take the bus for military training, the teacher told the students in Class 9 that due to the limited seating capacity, a few students needed to go on the bus for Class 1, you, Su Zaizai, and Jiang Jia agreed to go on the bus for class 1, you all get on and sit in the back