Fuwa Kosuke is a very timid and unassuming junior high school student. His parents died when he was young so he lives with his father's friend Kobayakawa, a professor of archaeology, along with his daughter Saeko Kobayakawa, who is also Kosuke's homeroom teacher. One day Kosuke is critically injured when he is hit by a car and killed by a thief who breaks into the house. When everyone is convinced that he is dead, Kosuke's brainwaves begin to show signs of abnormality and his body shows an amazing and instantaneous recovery. While Kosuke's change was instantaneous, and all but his miraculous recovery seemed to be due to his imagination, the professor was the only one who couldn't help but worry about Kosuke. He had seen the 'silver-haired Kosuke' nine years ago. The silver-haired Kosuke has a super brain and senses that make it hard to believe that he is a child. He has discovered that his father was killed in a fake accident and that his assistant, Kuchisaki, was responsible for the a