National Crisis: Development of a Plug-In System at the Beginning

In 20xx, something strange happened and a multi-dimensional invasion occurred. Countless abnormal creatures descended into the world in the cracks of broken space. Alien demons, killer bugs, mind viruses, Nidhogg spores... How can we survive in this race that is so fucked up? Of course I am more cheating than them! Mechanical ascension, human upgrade plan, lower-level mechanical insect attack! They are cunning, we must be cunning than them! They are tough, we must be tougher than them! They are cruel, we must be more cruel than them! One day we will make them understand Under the stars, only people will live forever! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.