BackgroundTakashi Kagetani is a young Newspaper Journalist whose curiosity leads him to a dangerous situation. While in a mysterious Mansion, he finds himself transported back to 1929. Puzzled by this strange happening, he becomes even more confused when he realises he must solve a mysterious set of murders happening, all in connection to the house he finds himself stuck in. To complicate his situation futher, a young friend of his became trapped in the mansion with him, and in order to save her life, he must collect strange items known as heart fragments. Becoming a suspect himself, he must race against time to solve this mystery, after making the startling discovery that if he does not solve the murders by a certain time, he will never escape or be able to return back to his own life.