Lin Xiao, a retired soldier, made a living by playing games and met Shen Qingyue and Wang Pan in "Operation Delta". By chance, he discovered that game items could actually be extracted from reality. The military contacted him to perform a reconnaissance mission in the abnormal area. Lin Xiao began to build an underground research institute, and the prototype of AI Hatsune was born. At the end of the first volume, Hatsune warns: Unidentified signals are following traces of energy.
