After installing this DLC, a new mode will be unlocked: Sneak mode. It can be accessed from the main interface.
Recommend playing after completing the achievement of "trainee" (i.e. Kuroku's personal storyline). (Non plot enthusiasts can ignore it)
In the new mode, you will play the role of the past Kuroku. Complete dozens of assassination missions within 38 days and expose the dark secrets of your boss.

Characteristic

• New Mode: Sneaking Mode
  
• Facing powerful enemies and allows you to strike them with a deadly blow
  
• Hiding oneself in the darkness and avoiding enemies
  
• New skills/accessories/equipment designed specifically for new mode
  
• New and extensive personal storyline