Carrying a heavy bag on my back and still having the seasonal temperature of fire on the twelfth day, I entered this four-year golden period. Standing at the entrance, everything is full of strangers. However, I couldn't help but think that all the strangeness at that exit should have become intimate and familiar. Therefore, the corners of my mouth raised unconsciously, because of the tail that will come one day, and the countless unknowns between the head and the tail.