During the night at Kobayakawa Research Center in Kitakaruizawa, a human of extraordinary size appears and quickly disintegrates with excruciating agony. The only witnesses to the awe-inspiring event are a group of truck drivers, as a mighty wind whisks the remains away. Despite a disappointing outcome of the experiment run by Doctor Kobayakawa, Akio's older brother confronts him with concerns about potential dangers associated with upcoming experiments.