On the wasteland intertwined with rust and slime, the mechanical creature numbered "No. 1" Awakened from its cultivation chamber. A fungal heart beats in its gear chest, fluorescent blood flows in the hydraulic tubes, and nerve tentacles grow between the titanium alloy fingers. Is this body called a "suture body" a defective product of mankind's crazy experiments, or a brand new species that suddenly broke in the evolutionary chain? When the mechanical locust swarm gnaws away the last steel city, and when the parasitic vines wrap around the missile silo and bloom flowers of evil, No. 1 Holds the semi-mechanical spine sword and cuts the blood path in the cancerous zone of machinery and biology. It is not only looking for the answer to "Who am I", but also the "Creator" who stitches together mechanical divinity and biological original sin. As the gear speed and heartbeat frequency in the body gradually synchronized, No. 1 Began to hear the dual cry from the depths of metal and cells: "Become us, or destroy us."