The Girlfriend Rescue Deluxe Pack contains:

• 
  
• 5 Wallpapers 1920x1080
  
• Hi-Res Character Artworks
  
• All In-game Scenes
  
• Optional bonus Savefile (start with 999,999G and blast through the game purchasing anything you want!)

How to find the deluxe contents

From your computer, go to:
C:\Program Files (x86)\Steam\steamapps\common
Then select the game folder.

Or directly from the Steam Client, first right-click on the game, then select:
Properties > Local Files > Browse Local Files

EXAMPLE