[Machine Translation] Adult is Reasoning / Outline: This is an authentic mystery adventure game in which the main character, Kazu Ichiyanagi, is confronted with a murder case that he accidentally got involved in. The game's development changes dramatically depending on the player's deductions and actions. The PSP port of this game allows the player to enjoy the game as if they were reading a novel, with the PSP's unique controls. Easy Mode: In response to users who found the original version difficult, the PSP version includes an "Easy Mode. The PSP version includes an "Easy Mode," in which important keywords are indicated in red, and sound effects are played during interviews to alert the user to important testimony, making the game even more enjoyable. New scenario: A new "Nasu route" has been added. Nasu is an athletic and somewhat lovable character. This new version adds a new episode of his story. New event CG: The number of event CG that decorate the main story of the game has been greatly increased, allowing you to see new expressions of the characters. Game System: The story of this game changes depending on the actions of Kaz Ichiyanagi (=the player). Based on the criminal's "crime warning" given to the player the day before, the player must deduce "who" and "how" the murder will be committed. In addition to the traditional "search for the true culprit of a murder that has already occurred", the player's objective is to "stop the next murder in an ongoing case". [Players: 1 player / "Memory Stick Duo" compatible: 896KB or more] (CERO Age rating: 12 years old and up)