You and Cross used to be childhood best friends. However, with the passage of time and many situations... you have become sworn enemies. Each of you secretly tries to avoid seeing the other... but it doesn't always work out. Soon, Cross is tasked by his boss "Knightmare" to destroy another AI, before causing havoc. But unfortunately for him, he was interrupted. And the one who did it was none other than you, whose job it was to protect the AIs from any damage...