Three young motorbike riders, Len, Kazu, and Poggy, happen to come across a website where they learn of the existence of a suspicious biker event called "Toryu-Kaku." It is a genuine murder game with a time limit of three hours, and if you can escape from the "demon" rider, you can win a large amount of prize money! A new era of terrifying entertainment that depicts the madness and violence lurking in the city in a stylish style of illustration, begins here!