C2604 Help with the Invisible Machine

Invisibility? Qin Guan couldn't help but laugh in his heart. Do you think it's easy to change the invisible model?

In fact, changing it to an Invisible Machine was almost similar to redeveloping it. The entire airflow layout of the body had changed! It was like changing the J-10 to the Invisible Model. Although there were many fantasy pictures on the Parallel Spacetime's network, In reality