Summary pulled directly from Steam - Some text may only be applicable to Steam platform

• Be a friendly ghost - Haunt a house full of girls while you solve puzzles, play tricks and cause trouble!
  
• Level-up your powers! – Learn to master your poltergeist abilities from moving objects to full-body possession!
  
• Be a trickster – Play elaborate pranks on your housemates but don't get too excited if you see their panties!
  
• Beware your weakness – See too many panties and humanity will be destroyed!
  
• Put on your detective hat – Perform investigations reclaim your body with the help of a perverted ghost-cat!
  
• Save the planet – Use time travel to go back and prevent the earth from exploding, defeating terrorists at the same time!
  
• Live the anime – Based on the critically-acclaimed anime but with a completely different ending!