This article is for the musical theme "Vigaku" and its subsequent update and remix.
"Vigaku" was later updated for the home console releases of Dead or Alive 2. Since its first appearance in the previously mentioned game, this version of "Vigaku" has been used as the recurring theme for Ein throughout the series. The theme is also heard in the background at Johnny's Diner in the Dead or Alive 5 games.
Ein (or Vigaku) Remix
The theme was later remixed as "Ein Remix" and first appeared in Dead or Alive 2 Ultimate. It is heard while the player is fighting against Ein in the Ray House.