Release Message:  Mari Hayase (Aki Toyosaki) discovers that her father Eiji built a time machine, and travels all across time in search of her father, meeting famous scientists who changed the way people think about electricity.

Description:  Mari Hayase is a school girl whose father, Eiji, disappeared three years ago, leaving behind a pendant known as the armillary compass. One day, after coming across a peculiar book about various scientists throughout history, the armillary compass glows, sending Mari back in time. Discovering that Eiji had managed to build a time machine, Mari, supported by her best friend Waka Mizuki and her brother Shun, travels all across time in search of her father, meeting the famous scientists who changed the way people think about electricity. (historical time trips) Scientists visited William Gilbert, A British astronomer, Voiced by: T ru kawa Benjamin Franklin, An American entrepreneur, Voiced by: Shinichiro Miki Alessandro Volta, An Italian physicist and chemist, Voiced by: Daiki Nakamura Michael Faraday, A British physicist and chemist, Voiced by: Showtaro Morikubo Samuel Morse, An American inventor, Voiced by: K ji Yusa Alexander Graham Bell, An American inventor, Voiced by: Tomoaki Maeno Heinrich Hertz,A German physicist, Voiced by: Akira Ishida Thomas Edison,An American inventor, Voiced by: Wataru Hatano