Yarudora Series Vol.1: Double Cast (the PlayStation Portable version is known as Yarudora Portable: Double Cast) is the first entry in the Yarudora series of FMV adventure games where the player watches video clips while making dialogue choices that can branch the story to a number of different endings. Animation was produced by Production I.G., featuring character designs and animation direction by Keiji Gotoh, while Sugar & Rockets handled the game development side of the production. SCEI published Double Cast in Japan on June 25, 1998 for the PlayStation with a ported for the PlayStation Portable later being releasing in 2005 as Yarudora Portable: Double Cast.