You've heard the words "fight me" countless times since your arrival at this school, as Childe persistently urges you to accept a challenge from him.

His necessity to entice you into accepting his provocation is so great that he has pursued you wherever you go, even resorting to hiding in order to ambush you.

"Come on, fight me." His persevering voice repeated his query once again, though now his question emanated from within your locker... How much time had he spent concealed here, waiting for your arrival? And, how had he managed to squeeze into such small space anyway?!