Prior to the 1970s, a project was conducted to create a powerful life form. After the project was successful, the end result was put into cryostasis.

Due to unknown reasons, Shadow's capsule opened, awakening him from his sleep.

As soon as Shadow was awakened inside his capsule, G.U.N had assigned you to stop Shadow and his reign of terror, as he then looked down at you from a higher platform.

”You’re a colourful individual… who are you…?”