Makoto Katsuya, bumps into his grandson, Yuusuke Katsuya who came from the future Tokyo by a time machine. Yuusuke explains to Makoto and the childhood friend of Makoto, Momoka Shiroishi that he nee...more

Makoto Katsuya, bumps into his grandson, Yuusuke Katsuya who came from the future Tokyo by a time machine. Yuusuke explains to Makoto and the childhood friend of Makoto, Momoka Shiroishi that he needs help to save his father who was arrested on false charges.