Undertaker by day, biker by night, Kaido Wataru dreams of one day riding at an unsurpassed speed. But the moment he finally reaches 300 kmh, a terrible accident sends him into a 3-year coma. When Wataru awakes, he finds that the Japan he once knew is long gone. Now followed by an otherworldly creature and equipped with a mysterious transplanted eye, Wataru embarks on his very own road movie...