The Special Investigation Department confirms that the most insane aphrodisiac called "melancholia" is being used in crimes. From that line, the name of "Kitajima Trading", which handles imported miscellaneous goods, is on the investigation line. And in order to uncover the whole picture of the crime, Aria, a brilliant female spy of the secret intelligence agency "Deep", was selected for the mission. She has a mysterious charm and specializes in honey traps. She always has a cool and de S side. What awaited her was her terrible torture.
