Sometimes fate is a very magical thing. We happened to meet each other neither a step earlier nor a step too late. A pass by each other made the fate of the four of us closely linked from now on. Even many years later, when we are in different places, I will still wonder if we were not divided into the same dormitory and did not travel together. What would our fate be like... It is a pity that there is no if, fate always advances according to their track, no matter how much I fight against fate...