User Summary You are a lazy guy who is trying to be a true detective, although it's difficult to manage. Your childhood friend, the brilliant and beautiful university student Satomi Komatsu is looking after you by acting as your detective partner. One day you two gets wrapped up in an incident and ´due to the actions of a mysterious man, Satomi is transformed into a super sadist with a thirst for punishment that can't be satisfied! She begins to toy with you - and tries to conquer your virginity - can you find the mysterious man and get Satomi back to normal - or is this a lost case?