"Ketsui no Toki" is a music theme that appeared in the Sega Saturn version of Dead or Alive and its Xbox-port Dead or Alive 1 Ultimate, as the character theme for Kasumi in the Arcade Mode, and the stage theme for Kasumi's stage in the Survival Mode. "Ketsui no Toki" later appeared twice in Dead or Alive Dimensions, the first time when Kasumi fights Shiden in the Prologue, and the second time when Kasumi is fights Raidou for the first time. The theme is also optional in the Music Mode in Dead or Alive 5 Last Round, and can be selectable for any character and gameplay mode.