When a 19-year-old gamer named Norikazu discovered a World War II computer near his home, he got a lot more than he expected. Without realizing it, he freed Masago, the spirit of the machine’s creator, once imprisoned in it. The real trouble begins when Masago notices Midori, Norikazu’s sweetheart, who seems to be the perfect substitute for his wife who died years ago. Now he wants revenge for her infidelity with an army officer. Only Norikazu’s love can get them out of the nightmarish world created by this computer. However, Masago is not the only one who wants to separate Midori and Norikazu. To escape death, the lovers must confront incredibly powerful forces and defeat the mad scientist, the King of Hell, and all envious people.