[Machine Translation] What are the hidden secrets of the lips, teeth, and tongue? What is the difference between human eyes and animal eyes? What are the folds in the ears for? What is the important relationship between breathing and sleep? How does blood circulate in the human body? What are the hidden powers of the human body? Daisuke and Sae, childhood friends, are transformed into a small human body by a machine invented by their grandfather, a genius inventor! What did they witness there?