High school students, Misuzu and Shogo, who have been friends from early in their childhood, starts a part-time job at a game company. After awfully busy days, the game development is completed and the title that was produced was a game which the company president also had confidence. But a very unfavorable assessment comes from a game magazine publisher that reviews the game. Almost at the same time, the company president disappears. Then he meets a mysterious death. While passing each day with an indescribable sense of unease, Misuzu receives a phone call from the deceased. In an unconventional adventure in the manner of PlayStation software "YAKU" a world with new fears is brought forth.