[Machine Translation] The self-proclaimed master detective, I-kyu Tensai, has made a contract with a strange demon to retrieve the "Marked Curse" that has been scattered all over Nanaejima and is responsible for causing death! The method is a guessing game with the demon. The stage is set in the "future of tragedy," an alien space where future events are realized, meaning that no good guesses will be applauded, and it is an extremely unwilling contest. "Come on, miss, let's play with me in a normal way! But soon after, Tensai discovers the "curse" engraved on the cheek of his valet, Dirk! The spin-off of "The Buried Treasure of the Seven Tigers" is here!