Zero Zone: Yi Xuan Picked It up and Turned It on Without Turning It Off

My name is Lin Yu, who can tell me, a joke oath, why did I travel to another world? I haven't fully appreciated 6+5 Xiaoguang. What, is it true? System adoptive father, let me see the real Xiao Guang Who will tell me why the Qingming Sword fell into my hands? How did Xiaoguang become my junior sister? I am obviously younger! Wait, Xiaoguang, why did you open the white-haired form, Xiaoguang! This is not good! Forget it, make peace with what you have come to, just take it one step at a time.