Vanish

In the mid-21st century, intelligent construction technology represented by 3D printing technology has matured. Opal made from bacterial protein and carbon fiber replaces steel fiber concrete in 3D printed buildings. The Guardian organization is an extremist organization that protects the earth's ecology and hates humans extremely. This organization has mastered the method of dissolving opal and producing poisonous gas... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.