Dr. Brown did an experiment to improve an intelligence quotient for Kuroki Ami in a research facility of the heart of a mountain. However, Kuroki who took the medicine which Dr. Brown held out has become gigantic suddenly. In the research institute where I leave puzzled Kuroki in the mountains, and there is Dr. Brown in Tokyo…. After having wandered around the mountains, Kuroki who became huge goes to Tokyo to look for Dr. Brown.
