Yamaguchi Kyohei is a Japanese director and stage manager from Aichi, Japan, specializing in tokusatsu television dramas. He began his career as an assistant director on the Kamen Rider series, starting with "Kamen Rider Ryuki" in 2002. In 2010, he made his directorial debut with a DVD feature for "Kamen Rider W," included in a magazine. (Source: MyDramaList) Watch drama online for free.