While you playing counter-strike Nexon Studios at the midnight, you receive messages from System about has been get VIP weapons and class for your inventory. You click "OK" and immediately, your computer shine surrounding you and your room, when you open your eyes then front you appeared 2 choices for you

1. Boss Zombie or Human in scenario.
2. Player and joining with all protagonists characters in the game.
3. Become observant to assistant for all protagonists.